Navas rhymes with:
novice, novice, beavis, bodhisattvas, canvas, canvass, chivas, corvus, covas, crevice, davis, davis', disservice, gervase, grievous, gustavus, holvis, holvis', jarvis, mischievous, nervous, novice, pelvis, provus, service, synovus
Navas sounds like:
nabisco, nabisco's, nabobs, nafco, namibia's, napco, naps, navajo, navajos, navickas, navies, navis, navy's, neaves, nephew's, nephews, neves, nevis, nevius, nibs, nieves, nimbus, nips, nipsco, nobec, nobec's, nobis, nobuaki, nobuyuki, noffke, nova's, novacek, novack, novak, novak's, novakowski, novas, novice, novices, novick, novicki, novo's, nymphs