Synonyms and related words :
animal, beast, bounder, dog, hound, hyena, insect, lurcher, mongrel, mutt, pariah dog, pig, polecat, reptile, riffraff, rotter, scum, serpent, shit, shithead, skunk, snake, stinkard, stinker, swine, toad, varmint, vermin, viper, whelp, worm