陰極[inkyoku] cathode
陰極線[inkyokusen] cathode rays
陰極線管[inkyokusenkan] cathode-ray tube
危極[kikyoku] crisis
窮極[kyuukyoku] ultimate

究極目的[kyuukyokumokuteki] extreme purpose
極く[goku] quite
極み[kiwami] height
極めて[kiwamete] exceedingly
極悪[gokuaku] heinous

殷盛[insei] prosperity
殷賑[inshin] prosperity
殷富[inpu] wealth

殷殷[inin] roaring
殷賑を極める[inshinwokiwameru] to enjoy prosperity
殷墟文字[inkyomoji] ancient inscriptions of Chinese characters on oracle bones and carapaces

賑やか[nigiyaka] bustling
賑やかさ[nigiyakasa] business
賑わい[nigiwai] prosperity
賑わう[nigiwau] to prosper
賑わす[nigiwasu] to make prosperous

殷賑[inshin] prosperity
殷賑を極める[inshinwokiwameru] to enjoy prosperity
枯れ木も山の賑わい[karekimoyamanonigiwai] half a loaf is better than none
賑あう[nigiau] to prosper
賑賑しい[niginigishii] lively