Gamboa rhymes with:
balboa, boa, achoa, aircoa, baidoa, balboa, batticaloa, boa, excoa, figaroa, figueroa, goa, kurumizowa, kyowa, noa, noaa, noah, novoa, occhoa, ochoa, osakowa, parazoa, protozoa, roa, samoa, sapoa, shenandoah, showa, sowa, stalowa, toa, ulloa, veroa, whampoa
Gamboa sounds like:
gamba, gambia, gamp, gaskamp, geneva, geneve, genevieve, genova, ghaznavi, giampa, giampapa, gmbh, gumbi, gumbo, gump, gumpp, gunby