Here's what rhymes with longaevum.
Words that almost rhyme with longaevum
diesem reason season lesion heathen uneven reafon diesen threesome treason cohesion accretion artesian elision secretion adhesion deletion repletion completion depletion excretion preseason amphotericin postseason rerum teatime freedom hominum cerium chiefdom labium fiefdom sheikdom sheikhdom museum encomium capsicum cilium arboretum samarium francium mausoleum imperium solarium coliseum trapezium protactinium