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