Words That Rhyme With "Protrusion" :
2 syllables:
3 syllables:
affusion, allusion, Carthusian, collusion, conclusion, confusion, contusion, defusion, delusion, detrusion, diffusion, effusion, elusion, exclusion, extrusion, illusion, inclusion, infusion, intrusion, occlusion, preclusion, profusion, prolusion, reclusion, retrusion, seclusion, transfusion
4 syllables:
circumfusion, disillusion, malocclusion, rediffusion, reperfusion, superfusion