Convoys rhymes with:
alloys, attaboys, busboys, cowboy's, cowboys, cowboys', homeboys, playboy's, popejoy's, schoolboys, tolstoy's
Convoys sounds like:
cambex, camby's, camp's, campeau's, campise, campisi, campobasso, campos, camps, camps', campus, campuses, cannabis, canvas, canvases, canvass, canvasses, champoux, champs, chemfix, chimps, combes, combs, comeback, comebacks, compaq, compaq's, compas, compass, compose, composes, compus, compusa, compusa's, confess, confesses, confucius, confuse, confuses, convex, conveys, coombes, coombs, cumbias