に就て[nitsuite] concerning
に就き[nitsuki] because of
去就[kyoshuu] committing one's self
就いては[tsuiteha] in line with this
就きましては[tsukimashiteha] in line with this

就く[tsuku] to ascend (the throne)
就ける[tsukeru] to install (a king, emperor, etc.)
就学[shuugaku] entering school
就学義務[shuugakugimu] compulsory school attendance
就学児童[shuugakujidou] school child

尽く[kotogotoku] altogether
為尽す[shitsukusu] to do everything possible
一網打尽[ichimoudajin] (a) big haul
権柄尽く[kenpeizuku] dictatorial
使い尽くす[tsukaitsukusu] to use up

至れり尽せり[itareritsukuseri] very polite
縦横無尽[juuoumujin] freely
出尽くす[detsukusu] to be all out
承知尽く[shouchizuku] acting on mutual agreement
尽かす[tsukasu] to use completely