Companions rhymes with:
canyon's, canyons, californian's, californians, canyon's, canyons, dominion's, kenyans, minions, onions, opinions, reunions, runions, union's, unions, unions', virginians
Companions sounds like:
campanis, camping, champion's, championing, champions, chimpanzee, chimpanzees, chomping, combines, combing, combining, comeuppance, comfinance, companies, companies', companies's, company's, confines, confining, connivance, conniving, convenes, convenience, conveniences, convening, conveyance, conveying, convince, convinces