Denshi Jisho — Online Japanese dictionary

理 り 1: reason; principle; logic;
2: (Buddhist term) general principle (as opposed to individual concrete phenomenon);
3: (in neo-Confucianism) the underlying principles of the cosmos
Common word, Noun 
義理 ぎり duty; sense of duty; honor; honour; decency; courtesy; debt of gratitude; social obligation
Common word, Noun, No-adjective 
地理 ちり geography
Common word, Noun 
無理 むり unreasonable; impossible; overdoing
Common word, Na-adjective, Noun, Suru verb 
理科 りか science
Common word, Noun, No-adjective 
理事 りじ director; board of directors
Common word, Noun 
肌理 きめ grain; (skin) texture
Noun 
事理 じり reason; facts; propriety; sense
Noun 
修理 すり repairing; mending; servicing
Noun, Suru verb, No-adjective 
非理 ひり unreasonable; illogical
Noun 
不理 ふり unreasonable; irrational
Noun 
理知 りち intellect
Noun 
理非 りひ judgement of right and wrong (judgment)
Noun 
理路 りろ logic; reasoning; argument
Noun 
監理 かんり superintendence; supervision; administration
Common word, Noun, Suru verb 
管理 かんり control; management (e.g. of a business)
Common word, Noun, Suru verb 
経理 けいり management; accounting
Common word, Noun, Suru verb 
原理 げんり principle; theory; fundamental truth
Common word, Noun 
合理 ごうり rational
Common word, Noun 
処理 しょり processing; dealing with; treatment; disposition; disposal
Common word, Noun, Suru verb 
審理 しんり trial
Common word, Noun, Suru verb 
心理 しんり state of mind; mentality; psychology
Common word, Noun 
真理 しんり truth
Common word, Noun, No-adjective 
受理 じゅり acceptance
Common word, Noun, Suru verb 
推理 すいり reasoning; inference; mystery or detective genre (movie, novel, etc.)
Common word, Noun, Suru verb, No-adjective 
整理 せいり sorting; arrangement; organization; putting in order; adjustment; regulation; liquidation
Common word, Noun, Suru verb 

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