Add zuru deinflections (#1091)

* Update deinflector rule types

* Add deinflection rules for zuru verbs

* Add tests

3 files changed, 83 insertions, 8 deletions

diff --git a/ext/bg/js/deinflector.js b/ext/bg/js/deinflector.js
index b13079ef..341ff3e4 100644
--- a/ext/bg/js/deinflector.js
+++ b/ext/bg/js/deinflector.js
@@ -86,10 +86,11 @@ class Deinflector {
 }
 
 Deinflector.ruleTypes = new Map([
-    ['v1',    0b0000001], // Verb ichidan
-    ['v5',    0b0000010], // Verb godan
-    ['vs',    0b0000100], // Verb suru
-    ['vk',    0b0001000], // Verb kuru
-    ['adj-i', 0b0010000], // Adjective i
-    ['iru',   0b0100000] // Intermediate -iru endings for progressive or perfect tense
+    ['v1',    0b00000001], // Verb ichidan
+    ['v5',    0b00000010], // Verb godan
+    ['vs',    0b00000100], // Verb suru
+    ['vk',    0b00001000], // Verb kuru
+    ['vz',    0b00010000], // Verb zuru
+    ['adj-i', 0b00100000], // Adjective i
+    ['iru',   0b01000000] // Intermediate -iru endings for progressive or perfect tense
 ]);
diff --git a/ext/bg/lang/deinflect.json b/ext/bg/lang/deinflect.json
index f51cd86f..9aab795e 100644
--- a/ext/bg/lang/deinflect.json
+++ b/ext/bg/lang/deinflect.json
@@ -9,7 +9,7 @@
         {"kanaIn": "ねば", "kanaOut": "ぬ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "べば", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "めば", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
-        {"kanaIn": "れば", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v1", "v5", "vk", "vs"]}
+        {"kanaIn": "れば", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v1", "v5", "vk", "vs", "vz"]}
     ],
     "-chau": [
         {"kanaIn": "ちゃう", "kanaOut": "る", "rulesIn": ["v5"], "rulesOut": ["v1"]},
@@ -23,6 +23,7 @@
         {"kanaIn": "んじゃう", "kanaOut": "ぬ", "rulesIn": ["v5"], "rulesOut": ["v5"]},
         {"kanaIn": "んじゃう", "kanaOut": "ぶ", "rulesIn": ["v5"], "rulesOut": ["v5"]},
         {"kanaIn": "んじゃう", "kanaOut": "む", "rulesIn": ["v5"], "rulesOut": ["v5"]},
+        {"kanaIn": "じちゃう", "kanaOut": "ずる", "rulesIn": ["v5"], "rulesOut": ["vz"]},
         {"kanaIn": "しちゃう", "kanaOut": "する", "rulesIn": ["v5"], "rulesOut": ["vs"]},
         {"kanaIn": "為ちゃう", "kanaOut": "為る", "rulesIn": ["v5"], "rulesOut": ["vs"]},
         {"kanaIn": "きちゃう", "kanaOut": "くる", "rulesIn": ["v5"], "rulesOut": ["vk"]},
@@ -40,6 +41,7 @@
         {"kanaIn": "びなさい", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "みなさい", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "りなさい", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じなさい", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "しなさい", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為なさい", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きなさい", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -58,6 +60,7 @@
         {"kanaIn": "びそう", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "みそう", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "りそう", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じそう", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "しそう", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為そう", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きそう", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -76,6 +79,7 @@
         {"kanaIn": "びすぎる", "kanaOut": "ぶ", "rulesIn": ["v1"], "rulesOut": ["v5"]},
         {"kanaIn": "みすぎる", "kanaOut": "む", "rulesIn": ["v1"], "rulesOut": ["v5"]},
         {"kanaIn": "りすぎる", "kanaOut": "る", "rulesIn": ["v1"], "rulesOut": ["v5"]},
+        {"kanaIn": "じすぎる", "kanaOut": "ずる", "rulesIn": ["v1"], "rulesOut": ["vz"]},
         {"kanaIn": "しすぎる", "kanaOut": "する", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "為すぎる", "kanaOut": "為る", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "きすぎる", "kanaOut": "くる", "rulesIn": ["v1"], "rulesOut": ["vk"]},
@@ -93,6 +97,7 @@
         {"kanaIn": "びたい", "kanaOut": "ぶ", "rulesIn": ["adj-i"], "rulesOut": ["v5"]},
         {"kanaIn": "みたい", "kanaOut": "む", "rulesIn": ["adj-i"], "rulesOut": ["v5"]},
         {"kanaIn": "りたい", "kanaOut": "る", "rulesIn": ["adj-i"], "rulesOut": ["v5"]},
+        {"kanaIn": "じたい", "kanaOut": "ずる", "rulesIn": ["adj-i"], "rulesOut": ["vz"]},
         {"kanaIn": "したい", "kanaOut": "する", "rulesIn": ["adj-i"], "rulesOut": ["vs"]},
         {"kanaIn": "為たい", "kanaOut": "為る", "rulesIn": ["adj-i"], "rulesOut": ["vs"]},
         {"kanaIn": "きたい", "kanaOut": "くる", "rulesIn": ["adj-i"], "rulesOut": ["vk"]},
@@ -111,6 +116,7 @@
         {"kanaIn": "んだら", "kanaOut": "ぬ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "んだら", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "んだら", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じたら", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "したら", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為たら", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きたら", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -147,6 +153,7 @@
         {"kanaIn": "んだり", "kanaOut": "ぬ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "んだり", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "んだり", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じたり", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "したり", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為たり", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きたり", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -183,6 +190,7 @@
         {"kanaIn": "んで", "kanaOut": "ぬ", "rulesIn": ["iru"], "rulesOut": ["v5"]},
         {"kanaIn": "んで", "kanaOut": "ぶ", "rulesIn": ["iru"], "rulesOut": ["v5"]},
         {"kanaIn": "んで", "kanaOut": "む", "rulesIn": ["iru"], "rulesOut": ["v5"]},
+        {"kanaIn": "じて", "kanaOut": "ずる", "rulesIn": ["iru"], "rulesOut": ["vz"]},
         {"kanaIn": "して", "kanaOut": "する", "rulesIn": ["iru"], "rulesOut": ["vs"]},
         {"kanaIn": "為て", "kanaOut": "為る", "rulesIn": ["iru"], "rulesOut": ["vs"]},
         {"kanaIn": "きて", "kanaOut": "くる", "rulesIn": ["iru"], "rulesOut": ["vk"]},
@@ -218,6 +226,7 @@
         {"kanaIn": "まず", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "らず", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "わず", "kanaOut": "う", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "ぜず", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "せず", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為ず", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "こず", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -235,6 +244,7 @@
         {"kanaIn": "まぬ", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "らぬ", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "わぬ", "kanaOut": "う", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "ぜぬ", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "せぬ", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為ぬ", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "こぬ", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -255,6 +265,8 @@
         {"kanaIn": "ませる", "kanaOut": "む", "rulesIn": ["v1"], "rulesOut": ["v5"]},
         {"kanaIn": "らせる", "kanaOut": "る", "rulesIn": ["v1"], "rulesOut": ["v5"]},
         {"kanaIn": "わせる", "kanaOut": "う", "rulesIn": ["v1"], "rulesOut": ["v5"]},
+        {"kanaIn": "じさせる", "kanaOut": "ずる", "rulesIn": ["v1"], "rulesOut": ["vz"]},
+        {"kanaIn": "ぜさせる", "kanaOut": "ずる", "rulesIn": ["v1"], "rulesOut": ["vz"]},
         {"kanaIn": "させる", "kanaOut": "する", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "為せる", "kanaOut": "為る", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "せさせる", "kanaOut": "する", "rulesIn": ["v1"], "rulesOut": ["vs"]},
@@ -275,6 +287,8 @@
         {"kanaIn": "べ", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "め", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "れ", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じろ", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
+        {"kanaIn": "ぜよ", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "しろ", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "せよ", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為ろ", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
@@ -284,7 +298,7 @@
         {"kanaIn": "來い", "kanaOut": "來る", "rulesIn": [], "rulesOut": ["vk"]}
     ],
     "imperative negative": [
-        {"kanaIn": "な", "kanaOut": "", "rulesIn": [], "rulesOut": ["v1", "v5", "vk", "vs"]}
+        {"kanaIn": "な", "kanaOut": "", "rulesIn": [], "rulesOut": ["v1", "v5", "vk", "vs", "vz"]}
     ],
     "masu stem": [
         {"kanaIn": "い", "kanaOut": "いる", "rulesIn": [], "rulesOut": ["v1"]},
@@ -334,6 +348,7 @@
         {"kanaIn": "まない", "kanaOut": "む", "rulesIn": ["adj-i"], "rulesOut": ["v5"]},
         {"kanaIn": "らない", "kanaOut": "る", "rulesIn": ["adj-i"], "rulesOut": ["v5"]},
         {"kanaIn": "わない", "kanaOut": "う", "rulesIn": ["adj-i"], "rulesOut": ["v5"]},
+        {"kanaIn": "じない", "kanaOut": "ずる", "rulesIn": ["adj-i"], "rulesOut": ["vz"]},
         {"kanaIn": "しない", "kanaOut": "する", "rulesIn": ["adj-i"], "rulesOut": ["vs"]},
         {"kanaIn": "為ない", "kanaOut": "為る", "rulesIn": ["adj-i"], "rulesOut": ["vs"]},
         {"kanaIn": "こない", "kanaOut": "くる", "rulesIn": ["adj-i"], "rulesOut": ["vk"]},
@@ -353,6 +368,8 @@
         {"kanaIn": "まれる", "kanaOut": "む", "rulesIn": ["v1"], "rulesOut": ["v5"]},
         {"kanaIn": "われる", "kanaOut": "う", "rulesIn": ["v1"], "rulesOut": ["v5"]},
         {"kanaIn": "られる", "kanaOut": "る", "rulesIn": ["v1"], "rulesOut": ["v5"]},
+        {"kanaIn": "じされる", "kanaOut": "ずる", "rulesIn": ["v1"], "rulesOut": ["vz"]},
+        {"kanaIn": "ぜされる", "kanaOut": "ずる", "rulesIn": ["v1"], "rulesOut": ["vz"]},
         {"kanaIn": "される", "kanaOut": "する", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "為れる", "kanaOut": "為る", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "こられる", "kanaOut": "くる", "rulesIn": ["v1"], "rulesOut": ["vk"]},
@@ -371,6 +388,7 @@
         {"kanaIn": "んだ", "kanaOut": "ぬ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "んだ", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "んだ", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じた", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "した", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為た", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きた", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -406,6 +424,7 @@
         {"kanaIn": "びます", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "みます", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "ります", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じます", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "します", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為ます", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きます", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -424,6 +443,7 @@
         {"kanaIn": "びません", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "みません", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "りません", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じません", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "しません", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為ません", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きません", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -441,6 +461,7 @@
         {"kanaIn": "びました", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "みました", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "りました", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じました", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "しました", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為ました", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きました", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -459,6 +480,7 @@
         {"kanaIn": "びませんでした", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "みませんでした", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "りませんでした", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じませんでした", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "しませんでした", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為ませんでした", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きませんでした", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -476,6 +498,7 @@
         {"kanaIn": "びましょう", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "みましょう", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "りましょう", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じましょう", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "しましょう", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為ましょう", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "きましょう", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -498,6 +521,7 @@
     ],
     "potential or passive": [
         {"kanaIn": "られる", "kanaOut": "る", "rulesIn": ["v1"], "rulesOut": ["v1"]},
+        {"kanaIn": "ぜられる", "kanaOut": "ずる", "rulesIn": ["v1"], "rulesOut": ["vz"]},
         {"kanaIn": "せられる", "kanaOut": "する", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "為られる", "kanaOut": "為る", "rulesIn": ["v1"], "rulesOut": ["vs"]},
         {"kanaIn": "こられる", "kanaOut": "くる", "rulesIn": ["v1"], "rulesOut": ["vk"]},
@@ -515,6 +539,7 @@
         {"kanaIn": "ぼう", "kanaOut": "ぶ", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "もう", "kanaOut": "む", "rulesIn": [], "rulesOut": ["v5"]},
         {"kanaIn": "ろう", "kanaOut": "る", "rulesIn": [], "rulesOut": ["v5"]},
+        {"kanaIn": "じよう", "kanaOut": "ずる", "rulesIn": [], "rulesOut": ["vz"]},
         {"kanaIn": "しよう", "kanaOut": "する", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "為よう", "kanaOut": "為る", "rulesIn": [], "rulesOut": ["vs"]},
         {"kanaIn": "こよう", "kanaOut": "くる", "rulesIn": [], "rulesOut": ["vk"]},
@@ -542,6 +567,7 @@
         {"kanaIn": "んどく", "kanaOut": "ぬ", "rulesIn": ["v5"], "rulesOut": ["v5"]},
         {"kanaIn": "んどく", "kanaOut": "ぶ", "rulesIn": ["v5"], "rulesOut": ["v5"]},
         {"kanaIn": "んどく", "kanaOut": "む", "rulesIn": ["v5"], "rulesOut": ["v5"]},
+        {"kanaIn": "じとく", "kanaOut": "ずる", "rulesIn": ["v5"], "rulesOut": ["vz"]},
         {"kanaIn": "しとく", "kanaOut": "する", "rulesIn": ["v5"], "rulesOut": ["vs"]},
         {"kanaIn": "為とく", "kanaOut": "為る", "rulesIn": ["v5"], "rulesOut": ["vs"]},
         {"kanaIn": "きとく", "kanaOut": "くる", "rulesIn": ["v5"], "rulesOut": ["vk"]},
diff --git a/test/test-deinflector.js b/test/test-deinflector.js
index eb932fc4..d8705bf2 100644
--- a/test/test-deinflector.js
+++ b/test/test-deinflector.js
@@ -688,6 +688,54 @@ function testDeinflections() {
                 {term: 'くる', source: 'きてる',         rule: 'vk', reasons: ['-te', 'progressive or perfect']},
                 {term: 'くる', source: 'きとる',         rule: 'vk', reasons: ['-te', 'progressive or perfect']},
 
+                // Zuru verbs
+                {term: '論ずる', source: '論ずる',           rule: 'vz', reasons: []},
+                {term: '論ずる', source: '論じます',         rule: 'vz', reasons: ['polite']},
+                {term: '論ずる', source: '論じた',           rule: 'vz', reasons: ['past']},
+                {term: '論ずる', source: '論じました',       rule: 'vz', reasons: ['polite past']},
+                {term: '論ずる', source: '論じて',           rule: 'vz', reasons: ['-te']},
+                {term: '論ずる', source: '論ぜられる',       rule: 'vz', reasons: ['potential or passive']},
+                {term: '論ずる', source: '論じされる',       rule: 'vz', reasons: ['passive']},
+                {term: '論ずる', source: '論ぜされる',       rule: 'vz', reasons: ['passive']},
+                {term: '論ずる', source: '論じさせる',       rule: 'vz', reasons: ['causative']},
+                {term: '論ずる', source: '論ぜさせる',       rule: 'vz', reasons: ['causative']},
+                {term: '論ずる', source: '論じさせられる',   rule: 'vz', reasons: ['causative', 'potential or passive']},
+                {term: '論ずる', source: '論ぜさせられる',   rule: 'vz', reasons: ['causative', 'potential or passive']},
+                {term: '論ずる', source: '論じろ',           rule: 'vz', reasons: ['imperative']},
+                {term: '論ずる', source: '論じない',         rule: 'vz', reasons: ['negative']},
+                {term: '論ずる', source: '論じません',       rule: 'vz', reasons: ['polite negative']},
+                {term: '論ずる', source: '論じなかった',     rule: 'vz', reasons: ['negative', 'past']},
+                {term: '論ずる', source: '論じませんでした', rule: 'vz', reasons: ['polite past negative']},
+                {term: '論ずる', source: '論じなくて',       rule: 'vz', reasons: ['negative', '-te']},
+                {term: '論ずる', source: '論ぜられない',     rule: 'vz', reasons: ['potential or passive', 'negative']},
+                {term: '論ずる', source: '論じされない',     rule: 'vz', reasons: ['passive', 'negative']},
+                {term: '論ずる', source: '論ぜされない',     rule: 'vz', reasons: ['passive', 'negative']},
+                {term: '論ずる', source: '論じさせない',     rule: 'vz', reasons: ['causative', 'negative']},
+                {term: '論ずる', source: '論ぜさせない',     rule: 'vz', reasons: ['causative', 'negative']},
+                {term: '論ずる', source: '論じさせられない', rule: 'vz', reasons: ['causative', 'potential or passive', 'negative']},
+                {term: '論ずる', source: '論ぜさせられない', rule: 'vz', reasons: ['causative', 'potential or passive', 'negative']},
+                {term: '論ずる', source: '論ずるな',         rule: 'vz', reasons: ['imperative negative']},
+
+                {term: '論ずる', source: '論ずれば',         rule: 'vz', reasons: ['-ba']},
+                {term: '論ずる', source: '論じちゃう',       rule: 'vz', reasons: ['-chau']},
+                {term: '論ずる', source: '論じなさい',       rule: 'vz', reasons: ['-nasai']},
+                {term: '論ずる', source: '論じそう',         rule: 'vz', reasons: ['-sou']},
+                {term: '論ずる', source: '論じすぎる',       rule: 'vz', reasons: ['-sugiru']},
+                {term: '論ずる', source: '論じたい',         rule: 'vz', reasons: ['-tai']},
+                {term: '論ずる', source: '論じたら',         rule: 'vz', reasons: ['-tara']},
+                {term: '論ずる', source: '論じたり',         rule: 'vz', reasons: ['-tari']},
+                {term: '論ずる', source: '論ぜず',           rule: 'vz', reasons: ['-zu']},
+                {term: '論ずる', source: '論ぜぬ',           rule: 'vz', reasons: ['-nu']},
+                // ['masu stem']
+                {term: '論ずる', source: '論じましょう',     rule: 'vz', reasons: ['polite volitional']},
+                {term: '論ずる', source: '論じよう',         rule: 'vz', reasons: ['volitional']},
+                // ['causative passive']
+                {term: '論ずる', source: '論じとく',         rule: 'vz', reasons: ['-toku']},
+                {term: '論ずる', source: '論じている',       rule: 'vz', reasons: ['-te', 'progressive or perfect']},
+                {term: '論ずる', source: '論じておる',       rule: 'vz', reasons: ['-te', 'progressive or perfect']},
+                {term: '論ずる', source: '論じてる',         rule: 'vz', reasons: ['-te', 'progressive or perfect']},
+                {term: '論ずる', source: '論じとる',         rule: 'vz', reasons: ['-te', 'progressive or perfect']},
+
                 // Uncommon irregular verbs
                 {term: 'のたまう', source: 'のたもうて',   rule: 'v5', reasons: ['-te']},
                 {term: 'のたまう', source: 'のたもうた',   rule: 'v5', reasons: ['past']},