Here's what rhymes with arenaceus.
Words that almost rhyme with arenaceus
unevenness deaconess cenotaphs vehemence feebleness heedlessness treasonous facetiousness speciousness grievousness ingeniousness needlessness ceaselessness covetousness edematous sleeplessness peacefulness pediments dreaminess speechlessness creaminess recentness egregiousness gleefulness steaminess deceitfulness