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