愚図愚図[guzuguzu] slowly
闇愚[angu] imbecility
愚か[oroka] foolish
愚かしい[orokashii] foolish
愚挙[gukyo] foolish undertaking

愚行[gukou] folly
愚妻[gusai] wife
愚人[gujin] fool
愚生[gusei] (primarily used in letters, etc.) I
愚癡[guchi] idle complaint

愚痴[guchi] idle complaint
痴漢[chikan] masher
痴情[chijou] being struck mad by love
痴人[chijin] dunce
痴態[chitai] foolishness

痴ほう[chihou] dementia
白痴[hakuchi] idiot
方向音痴[houkouonchi] (person with) no sense of direction
白痴者[odokemono] idiot
音痴[onchi] tone-deafness

垂迹[suijaku] temporary manifestation by a buddha (in order to save people)
筆迹[hisseki] handwriting
真迹[shinseki] true autograph

事迹[jiseki] evidence
本地垂迹説[honjisuijakusetsu] manifestation theory (holding that Shinto gods are manifestations of buddhas)
迹門[shakumon] first half of the Lotus Sutra, in which the Buddha appears as a spatiotemporally restricted being