Denshi Jisho — Online Japanese dictionary

痴 ち 1: foolishness; fool;
2: (Buddhist term) moha (ignorance, folly)
Noun 
痴愚 ちぐ imbecility; idiocy
Noun 
痴話 ちわ lovers talk; sweet nothings
Noun 
愚か おろか foolish; stupid
Common word, Na-adjective, Noun 
疎か おろか 1: neglect; negligence; carelessness;
2: (Expression) (Usually written using kana alone) not to mention; needless to say; not to speak of
Common word, Na-adjective, Noun 
痴漢 ちかん masher; molester; pervert
Common word, Noun 
痴女 ちじょ female pervert
Common word, Noun 
痴呆 ちほう dementia
Common word, Noun, No-adjective, Sensitive 
痴言 ちげん crazy talk
Noun 
痴人 ちじん dunce; fool; idiot
Noun 
痴態 ちたい foolishness; silliness
Noun 
痴鈍 ちどん dull-witted
Na-adjective, Noun 
痴ほう ちほう dementia
Noun, No-adjective, Sensitive 
痴言 おこごと crazy talk
Noun 
痴情 ちじょう being struck mad by love; foolish passion; blind love; infatuation; jealousy
Noun 
痴れ言 しれごと foolish talk; nonsense; gibberish
Noun 
痴れ者 しれもの fool; dunce; idiot
Noun 
愚か者 おろかもの fool
Noun 
愚かしい おろかしい foolish; stupid
Adjective 
おろか者 おろかもの fool
Noun 
痴話喧嘩 ちわげんか lover's quarrel
Noun 
痴話げんか ちわげんか lover's quarrel
Noun 
痴呆症 ちほうしょう dementia
Noun 
痴漢行為 ちかんこうい groping; molestation
Noun 

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