Words That Rhyme With "Atomism" :

2 syllables:

chrism, chrisom, ism, prism, schism

3 syllables:

abysm

4 syllables:

catechism, laconism, racemism, saturnism, totemism

5 syllables:

academism, antagonism, dichromatism, legitimism

6 syllables:

medievalism, reconstructionism