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

夏至[geshi] summer solstice
夏至線[geshisen] Tropic of Cancer
夏至点[geshiten] summer solstitial point
至って[itatte] very much
至らない[itaranai] imperfect

至る[itaru] to arrive at (e.g. a decision)
至る処[itarutokoro] everywhere
至れりつくせり[itareritsukuseri] very polite
至急[shikyuu] urgent
至急便[shikyuubin] express mail