Synonyms and related words :
Siberian husky, ass, camel, draft animal, dromedary, drudge, elephant, fag, galley slave, greasy grind, grind, grub, hack, horse, husky, llama, malamute, mule, ox, pack horse, plodder, reindeer, slave, sledge dog, slogger, sumpter, sumpter horse, sumpter mule, swot, workhorse,