Words That Rhyme With "Cosmogony" :
3 syllables:
agony, botany, cottony, Saguenay, sodomy
4 syllables:
allogamy, antigone, apogamy, autogamy, cleistogamy, dichogamy, dissogony, endogamy, exogamy, homogony, isogamy, mahogany, merogony, microgamy, misogamy, monogamy, monotony, neoteny, oregano, pathognomy, polygeny, schizogamy, schizogony, sporogony, telegony, theogony, xenogamy
5 syllables:
anisogamy, bibliogony, heterogamy, heterogony, karyogamy, physiognomy