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