Here's what rhymes with synesthesias.
freesias Words that almost rhyme with synesthesias
devious previous tedious mediates obsequious perfidious sleepiness vitiates leakiness cheekiness sneakiness steeliness obedience homogeneous deviance dreariness novitiates sleaziness creakiness squeakiness wheeziness uneasiness intermediates prescience deviants expedience beastliness greasiness queasiness unwieldiness breeziness inexpedience ingredients disobedience expedients inhomogeneous priestliness gastrocnemius
