Porro rhymes with:
sapporo, castoro, chamorro, corrow, deltoro, demauro, dilauro, dimauro, doro, dorow, dorroh, favaloro, floro, forero, kohtoro, lauro, lavoro, loro, mascorro, mauro, mcmorrow, morro, oro, polidoro, pomodoro, saguaro, santoro, sapporo, sauro, teodoro, tesoro, thoro, toro
Porro sounds like:
paar, pair, paper, papery, papier, par, para, pare, pariah, paro, parr, parra, parrow, parry, pary, pauper, paver, payer, payeur, pear, peary, pebereau, peer, peery, peffer, peifer, peiffer, peoria, peper, pepper, per, pera, pere, perea, pereira, perera, pereyra, peria, pero, perra, perreira, perri, perrier, perro, perrow, perry, peru, pfarr, pfeffer, pfeifer, pfeiffer, pfeuffer, phair, phar, pharaoh, pharo, pharoah, pharr, phibro, phifer, pieper, pier, pieri, pierie, piero, pierre, pierro, pifer, piper, pipher, pirie, piro, pirro, piver, poer, poirier, poirrier, pooper, poor, poore, poorer, popper, por, pore, porr, pour, power, poyer, prairie, pray, prayer, pre, pree, prew, prewar, preway, prey, preyer, pri, prier, prieur, prior, priore, priory, pro, proia, prow, pru, prue, pruer, pry, pryer, pryor, puffer, puffery, pur, pura, pure, puree, purer, puri, purr, puryear, pyper, pyre, pyro