Quintina rhymes with:
argentina, cantina, constantina, florentina, valentina, albertina, aretina, argentina, autolatina, bettina, cantina, catena, celestina, christina, concertina, constantina, cortina, cristina, egbertina, faustina, florentina, gilbertina, justina, kristina, lamartina, lamattina, latina, martina, mattina, patina, stena, teena, tina, valentina
Quintina sounds like:
quantum, quentin, quintana, quintin, quinton