(yòu) see 鼬鼠[you4 shu3]
(yòushǔ) Mustela (genus of weasels etc)
(yòuhuān) ferret badger
(yòukē) Mustelidae (taxonomic family of weasel, otter, mink)
(yòushā) tiger shark
(yòushǔ) weasel