Words That Rhyme With "Diatonicism" :

2 syllables:

chrism, chrisom, ism, prism, schism

3 syllables:

abysm

4 syllables:

cynicism

5 syllables:

dichromatism, Hispanicism, laconicism, organicism

6 syllables:

ecumenicism, medievalism, reconstructionism

7 syllables:

autoeroticism, homoeroticism