Canker rhymes with:
anchor, anker, banker, betancur, danker, hanker, manker, rancor, ranker, sanker, shanker, tanker
Canker sounds like:
cancer, cancro, cannizzaro, cencor, censer, censor, censure, chancery, changer, cocanougher, commissar, commissary, conagra, concur, conger, conjure, conjuror, connoisseur, conquer, conqueror, conser