Here's what rhymes with polgynous.
Words that almost rhyme with polgynous
dolefulness openness brokenness wholesomeness soulfulness soullessness foaminess exogenous motionless hopelessness homelessness boastfulness copiousness loathsomeness lonesomeness smokiness woefulness chauvinists emotionless outspokenness ferociousness atrociousness socialists proteolysis postmistress precociousness unwholesomeness toastmistress ufologists globalists