Here's what rhymes with defeetum.
teatime arboretum Words that almost rhyme with defeetum
phaeton freedom beaten sweeten wheaten neaten didn region deepen legion needn cheapen cretin steepen overeaten unbeaten collegian rerum diesem threesome fiefdom sheikdom sheikhdom hominum cerium chiefdom cilium museum labium trapezium capsicum samarium solarium mausoleum imperium encomium coliseum francium protactinium