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