Commonplace rhymes with:
anyplace, birthplace, cityplace, everyplace, fireplace, marketplace, parcplace, showplace, someplace, workplace
Commonplace sounds like:
camouflage, campbell's, campbells, cannibalize, cannibals, chambless, chambliss, cineplex, cineplex's, compels, compiles, complex, complexes, complies, conable's, convalesce, cosmopulos, cymbals