Words That Rhyme With "Cryptogamous" :

3 syllables:

agamous, bigamous, trigamous

4 syllables:

dichogamous, dichotomous, homogamous, homogonous, isogamous, monodomous, monogamous, oogamous, polygamous, schizogonous, xylotomous

5 syllables:

anisogamous, heterogamous, hippopotamus, opisthodomos