改善[kaizen] betterment
勧善懲悪[kanzenchouaku] rewarding good and punishing evil
勧善懲悪劇[kanzenchouakugeki] morality play
偽善[gizen] hypocrisy
偽善者[gizensha] hypocrite

最善[saizen] the very best
慈善[jizen] charity
慈善家[jizenka] charitable person
慈善会[jizenkai] philanthropic society
慈善市[jizenichi] charity bazaar

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

最も[mottomo] most
最愛[saiai] beloved
最悪[saiaku] the worst
最下位のビット[saikainobitto] least significant bit
最外[saigai] outer-most

最寄[moyori] nearest
最期[saigo] one's last moment
最強[saikyou] strongest
最近[saikin] most recent
最恵国待遇[saikeikokutaiguu] most favored nation