Words That Rhyme With "Polysynthesism" :

2 syllables:

chrism, chrisom, ism, prism, schism

3 syllables:

abysm

4 syllables:

Briticism, criticism, witticism

5 syllables:

dichromatism

6 syllables:

hypercriticism, medievalism, reconstructionism

7 syllables:

oneirocriticism