Here's what rhymes with polygonous.
fungous numinous erogenous wantonness Words that almost rhyme with polygonous
pumice compass duchess fulness oneness roughness toughness baseness dullness dulness numbness piteous rashness lameness talus cutlass incubus tapas couscous covets dumbness justice buckets buttocks colourless encompass fungus wondrous buttress couplets puppets repugnance stasis bulbous cumbrous justness luckless nuggets alumnus loveless smugness abundance reluctance muskets bloodless lustrous neuritis robustness doublets unrighteousness bluntness effulgence fistulous hummocks pedants substance judgments indulgence inductance judgements sumptuous trumpets cements incumbents stomachs abruptness encumbrance hundredths druggists incumbrance circumference conductance remonstrance abutments resultants adjustments consultants reasonableness superabundance unreasonableness readjustments