Here's what rhymes with extraserous.
ulcerous slumberous cadaverous Words that almost rhyme with extraserous
generous severance decorous lecherous shepherdess featherless federates reference reverence deference treacherous adventurous measureless preference tenderness temperance terrorists cleverness confederates referents irreverence togetherness obstreperous protectorates slenderness regenerates overgenerous splendorous apiarists measurements degenerates electorates directorates unadventurous intemperance inspectorates expectorates expectorants