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