狗肉[kuniku] dog flesh
魚狗[shoubin] kingfisher (esp. the common kingfisher, Alcedo atthis)
天狗[tengu] long-nosed goblin
天狗風[tengukaze] sudden gust
天狗話[tengubanashi] boastful story

羊頭狗肉[youtoukuniku] using a better name to sell inferior goods
狗尾草[enokorogusa] green foxtail (species of annual grass, Setaria viridis)
走狗[souku] hound
天狗茸[tengutake] panther cap (species of poisonous mushroom, Amanita pantherina)