尽

尽きる [つきる] - (v1) to be used up; to be run out; to be
exhausted; to be consumed; to come to an end

尽くす [つくす] - (v5s) (1) to exhaust; to run out; (2) to devote;
to serve (a person); to befriend

尽力 [じんりょく] - (n) efforts; assistance

無尽蔵 [むじんぞう] - (adj-na,n) inexhaustible supply

理不尽 [りふじん] - (adj-na,n) unreasonable; irrational

論じ尽くす [ろんじつくす] - (v5s) to deal exhaustively with