Here's what rhymes with polygamous.
bigamous Words that almost rhyme with polygamous
ligaments minimised frivolous limitless solicitous syllabus littleness tinnitus epitomised legitimised victimised epitomise synthesis diligence filaments vigilance antithesis mischievous virulence chivalrous silicates umbilicus vividness felicitous minuteness singleness brittleness symbolise legitimates stigmatise winsomeness participants stimulus ridiculous ambivalence wickedness cheerfulness dissonance meticulous omnipotence articulates dissidents militants sinfulness fearlessness particulates peristalsis fickleness listlessness religiousness wilfulness fearfulness nimbleness visitants willfulness ambitiousness blissfulness litigiousness cheerlessness fitfulness assiduousness witlessness equivalence magnificence unambiguous abolitionists gingivitis sycophants wistfulness infelicitous shiftlessness equivocates individuates repetitiousness skillfulness nutritiousness cymbalists equivalents stimulants religionists traditionalists imprisonments predicaments precipitants gesticulates ministrants coalitionists expeditiousness surreptitiousness timpanists conjunctivitis coreligionists prohibitionists grandiloquence nonparticipants exhibitionists nonequivalents