Words That Rhyme With "Departmentalism" :

4 syllables:

centralism, gentilism, mentalism, pentaprism, pointillism, specialism

5 syllables:

essentialism, mercantilism

6 syllables:

accidentalism, aeroembolism, existentialism, fundamentalism, incrementalism, instrumentalism, Occidentalism, Orientalism, ornamentalism, sentimentalism, transcendentalism

7 syllables:

dolichocephalism, experimentalism