苛斂[karen] oppression (e.g. taxation)
収斂[shuuren] astringency
収斂剤[shuurenzai] an astringent
聚斂[shuuren] (levying of a) heavy taxation

苛斂誅求[karenchuukyuu] imposing exacting (crushing, oppressive) taxes
収斂進化[shuurenshinka] convergent evolution
斂葬[rensou] interment

官求品[kankyuuhin] fluorescent light bulb
願い求める[negaimotomeru] to entreat
希求[kikyuu] aspiring to
求む[motomu] to want
求め[motome] request

求める[motomeru] to want
求愛[kyuuai] courting
求愛誇示[kyuuaikoji] courtship display
求縁[kyuuen] courtship
求刑[kyuukei] prosecution

苛む[sainamu] to torment
苛めっ子[ijimekko] bully
苛める[ijimeru] to tease
苛虐[kagyaku] cruel treatment
苛性[kasei] caustic

苛性ソーダ[kaseisooda] caustic soda
苛政[kasei] tyranny
苛税[kazei] heavy taxation
苛立つ[iradatsu] to be irritated
苛立てる[iradateru] to irritate

天誅[tenchuu] heaven's (well-deserved) punishment
誅伐[chuubatsu] assailing criminals
誅殺[chuusatsu] execution of a criminal

筆誅[hicchuu] written denunciation
苛斂誅求[karenchuukyuu] imposing exacting (crushing, oppressive) taxes
誅する[chuusuru] to put to death