Words That Rhyme With "Truism" :

3 syllables:

chiasm, deism, lewisson, maoism, Taoism, theism

4 syllables:

Bahaism, Coueism, dereism, prosaism, Rousseauism

5 syllables:

absenteeism, cicisbeism, hylotheism, hylozoism, misoneism

6 syllables:

apotropaism