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