Words That Rhyme With "Platonism" :

4 syllables:

alienism, Behmenism, Boehmenism, cretinism, fatalism, Galenism, paganism, reaganism, satanism, saturnism, Teutonism, titanism

5 syllables:

causationism, sensationism

6 syllables:

moderationism, Neoplatonism, presentationism, restorationism, segregationism, separationism

7 syllables:

collaborationism, configurationism, representationism