Cankers rhymes with:
anchor's, anchors, banker's, bankers, bankers', rankers, tankers, anchor's, anchors, banker's, bankers, bankers', bonkers, bunkers, clunkers, conquers, drinker's, drinkers, freethinkers, munkres, plunkers, rankers, spelunkers, stinkers, tankers, thinkers, tinker's, yonkers, younkers, younkers'
Cankers sounds like:
cancer's, cancerous, cancers, ceniceros, censors, changers, commissaries, commissars, conagra's, concierge, concourse, concourses, concurs, congress, congress', congress's, congresses, conjures, connoisseurs, conqueror's, conquerors, conquers