Here's what rhymes with didymium.
cerium cilium museum imperium encomium labium samarium mausoleum trapezium solarium francium coliseum protactinium Words that almost rhyme with didymium
dn zijn paean peon boolean lndian chorion ruffian plebeian protean occafion epicurean rerum diesem teatime freedom hominum chiefdom threesome fiefdom sheikdom sheikhdom capsicum arboretum