Words That Rhyme With "Apterium" :
3 syllables:
4 syllables:
bacterium, collyrium, delirium, imperium, martyrium, mezereum, psalterium
5 syllables:
acroterium, elaterium, endarterium, ferrocerium, magisterium, Megatherium, osmeterium, puerperium, sericterium, subdelirium
6 syllables:
clavicytherium, fusobacterium, microbacterium, mycobacterium
7 syllables:
corynebacterium, cyanobacterium