Arenas rhymes with:
arena's, ballerinas, farinas, katarina's, marinas, arena's, argentina's, argentinas, ballerinas, burkina's, delrina's, drina's, drinas, farinas, gina's, ginas, hercegovina's, herzegovina's, hyenas, katarina's, lena's, marinas, quina's, selena's, selinas, subpoenas, tina's, zenas
Arenas sounds like:
aaron's, aarons, aeriens, aeromexico, aeromexico's, ahrens, airing, airman's, airwing, airwings, aramco, aramis, arango, aransas, aranyos, arena's, arens, arenz, arianna's, arm's, armas, armco, armco's, armenia's, armenians, armes, armey's, armies, armijo, arming, armonk, arms, army's, arnaz, arnox, arns, aromas, arons, arrange, arranges, arraying, awareness