Portera rhymes with:
cartera, altera, butera, calcaterra, canterra, cartera, enterra, frontera, matera, mattera, nicotera, patera, privitera, sutera, tara, terra, terre
Portera sounds like:
parador, paratore, porter, portier, portray, praetor, prater, prather, praytor, predator, predatory, pretoria, prettier, prothero, prothro, prouder, prudery, prueter