Words That Rhyme With "Polygeny" :
3 syllables:
agony, bigamy, Brittany, digamy, dittany, ribbony, Saguenay, snickersnee, syngamy
4 syllables:
antigone, cosmogony, dissogony, forbiddenly, homogony, mahogany, merogony, oregano, schizogony, sporogony, theogony