Companion rhymes with:
banyan, branyon, canion, canyon, gagnon, lanyon, mannion, o'banion, obanion, banyan, bennion, binion, branyon, bunyan, californian, canion, canyon, catalonian, communion, disunion, dominion, gagnon, grunion, henion, kenyan, kenyen, kenyon, kinion, kinyon, lanyon, macedonian, mannion, minion, munyan, munyon, nonunion, o'banion, obanion, onion, opinion, pinion, pinyan, reunion, runion, runnion, runyan, runyon, soviet-union, union, virginian
Companion sounds like:
campana, campen, campion, campione, campopiano, canavan, cannavino, chambon, champine, champion, champney, chombiono, cinnabon, cnnfn, combine, companhia, compania, companionway, company, compean, confine, convene