其の後[sonoato] after that
已後[igo] after this
一死後[isshigo] after one out (in Baseball)
気後れ[kiokure] nervous
紀元後[kigengo] post-era

空前絶後[kuuzenzetsugo] (so marvelous or horrible that it may be) the first and probably the last
兄後[anigo] elder brother
月後れ[tsukiokure] a month or older
午後[gogo] afternoon
午後中[gogojuu] throughout the afternoon

汚濁[odaku] pollution
溷濁[kondaku] turbidity
清濁[seidaku] good and evil
濁す[nigosu] to make muddy (a liquid)
濁り[nigori] muddiness

濁り点[nigoriten] voiced consonant marks
濁る[nigoru] to become muddy
濁音[dakuon] sonant
濁点[dakuten] voiced consonant marks (nigori)
濁流[dakuryuu] muddy stream