Words That Rhyme With "Rigorism" :

2 syllables:

chrism, chrisom, ism, prism, schism

3 syllables:

abysm

4 syllables:

dysbarism, Hitlerism, listerism, rigourism

5 syllables:

barbiturism, dichromatism, polymerism

6 syllables:

medievalism, reconstructionism