Words That Rhyme With "Actinism" :

2 syllables:

chrism, chrisom, ism, prism, schism

3 syllables:

abysm

4 syllables:

Latinism, rabbinism, Stalinism

5 syllables:

Byzantinism, dichromatism, didacticism, reactionism

6 syllables:

medievalism, reconstructionism