Here's what rhymes with festivius.
oblivious lascivious Words that almost rhyme with festivius
forsythias bilious tibias serious mysterious hideous imperious fastidious pitiless chilliness stickiness ligneous bitchiness tinniness experience dizziness insidious vitreous weariness delirious invidious giddiness prettiness silliness trickiness pithiness tipsiness wittiness skinniness hilliness bleariness affiliates deleterious resilience amphibious supercilious filthiness riskiness flimsiness grittiness milkiness percipience silkiness incipience friskiness prissiness skimpiness recipients initiates inexperience lineaments punctilious propitiates princeliness ignominious miscreants consanguineous conciliates disaffiliates