汚ない[kitanai] dirty
汚いやり方[kitanaiyarikata] dirty trick
汚す[yogosu] to pollute
汚らわしい[kegarawashii] filthy
汚れ[kegare] uncleanness

汚れる[kegareru] to be violated
汚れる[yogoreru] to get dirty
汚職[oshoku] corruption
汚辱[ojoku] disgrace
汚水[osui] filthy water

鱘鮫[chouzame] sturgeon (Acipenser mikadoi)
鰐鮫[wanizame] ferocious shark
鮫膚[samehada] rough skin (like that of a shark)
鋸鮫[nokogirizame] saw shark (esp. the Japanese saw shark, Prietiophorus japonicus)
青鮫[aozame] shortfin mako shark (Isurus oxyrinchus)

鮫皮[samegawa] sharkskin
小判鮫[kobanzame] remora
葦切鮫[yoshikirizame] blue shark (Prionace glauca, species of circumglobal requiem shark)
角鮫[tsunozame] dogfish (any shark of family Squalidae)