Denshi Jisho — Online Japanese dictionary

故 こ the late (deceased)
Prefix 
もと yeast mash
Noun 
下 もと under (esp. influence or guidance)
Common word, Adverb 
元 もと 1: origin; source;
2: base; basis; foundation; root;
3: cause;
4: ingredient; material;
5: (somebody's) side; (somebody's) location;
6: original cost (or capital, principal, etc.);
7: (plant) root; (tree) trunk;
8: first section of a waka;
9: (Noun) handle (chopsticks, brush, etc.); grip
Common word, Noun 
本 もと 1: origin; source;
2: base; basis; foundation; root;
3: cause;
4: ingredient; material;
5: original cost (or capital, principal, etc.);
6: (plant) root; (tree) trunk;
7: first section of a waka;
8: (Counter) counter for blades of grass, tree trunks, etc., and for falcons (in falconry);
9: (Noun) handle (chopsticks, brush, etc.); grip
Common word, Noun 
故 ふる 1: used item; secondhand item;
2: (Noun prefix) old; used; previous
Noun 
元 もと former; ex-
Noun, No-adjective, Adverbial noun, Noun prefix 
基 もと 1: origin; source;
2: base; basis; foundation; root;
3: cause;
4: ingredient; material;
5: original cost (or capital, principal, etc.);
6: (plant) root; (tree) trunk;
7: first section of a waka;
8: (Noun) handle (chopsticks, brush, etc.); grip
Noun 
故 もと former; ex-
Noun, No-adjective, Adverbial noun, Noun prefix 
旧 もと former; ex-
Noun, No-adjective, Adverbial noun, Noun prefix 
素 もと 1: origin; source;
2: base; basis; foundation; root;
3: cause;
4: ingredient; material;
5: original cost (or capital, principal, etc.);
6: (plant) root; (tree) trunk;
7: first section of a waka;
8: (Noun) handle (chopsticks, brush, etc.); grip
Noun 
許 もと under (esp. influence or guidance)
Adverb 
故 ゆえ reason; cause; circumstances
Adverbial noun, Noun 
故意 こい 1: intention; purpose; bad faith;
2: mens rea (guilty mind)
Common word, Noun 
故事 こじ origin; historical fact; tradition
Common word, Noun 
故吾 こご one's former self
Noun, Archaism 
故址 こし historic ruins
Noun 
故紙 こし used paper; paper for recycling
Noun 
故智 こち the wisdom of the ancients
Noun 
故知 こち the wisdom of the ancients
Noun 
基 もとい 1: (Archaism) basis; foundation;
2: cause
Noun 
故国 ここく one's native land
Common word, Noun 
故人 こじん the deceased; old friend
Common word, Noun 
本木 もとき original stock
Common word, Noun 
故に ゆえに therefore; consequently
Common word, Conjunction, Usually written using kana alone 
故殺 こさつ manslaughter
Noun, Suru verb 
故山 こざん one's native place
Noun 
故主 こしゅ one's former master
Noun 
故実 こじつ ancient practices or customs (practises)
Noun 

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