Felicity rhymes with:
complicity, publicity, simplicity, analyticity, complicity, domesticity, eccentricity, elasticity, electricity, publicity, simplicity, specificity, toxicity
Felicity sounds like:
falgoust, falgout, falsehood, falsetto, falsity, felicetti, felicitate, felicite, filched, filegate, flaccid, flagday, flagged, flashed, flashiest, flaxseed, fleeced, fleshed, flexed, flight, flighty, flocked, fluctuate, fluctuated, flushed, full-sized, fullest