Betas rhymes with:
data's, datas, pesetas, placetas, sense-datas, advanta's, akita's, anastas, atlanta's, augusta's, cheetahs, chipetas, costas, dakota's, dakotas, data's, datas, defreitas, delta's, deltas, djakarta's, fajitas, fermenta's, freitas, gaviotas, greta's, incata's, jakarta's, kostas, kotas, lakotas, lakotas', maestas, marietta's, matas, matsushita's, mehta's, mestas, minnesota's, nafta's, operettas, panetta's, pastas, pesetas, peta's, pinetta's, placetas, preyistas, quotas, regattas, rentas, rita's, sabatista's, sabatistas, sabatistas', sandinistas, sandinistas', sense-datas, shasta's, sonatas, sowata's, stratas, suata's, sumita's, takeshita's, toyota's, toyotas, travolta's, travoltas, vendettas, vista's, vistas, zapatista's, zapatistas
Betas sounds like:
baatz, babbit's, babbitt's, babbitts, badeaux, badge, badges, baetz, baidoa's, baidoas, baits, baptize, batch, batches, bates, bates', bathes, bathke, baths, batik, batiks, batogowski, bats, battis, batts, batuigas, batus, batz, bautch, bautz, baywatch, beads, beats, beauties, bebbits, bebitch, bedeck, bedke, beds, beets, befits, beitz, bet's, betake, betcha, bethke, betke, bets, betsch, betsey, betsy, betsy's, bettes, bettis, betts, betty's, betz, bewitch, bhutto's, bid's, bidco, bidcos, biddix, bids, bietz, bioethics, biotech, biotechs, bitch, bitches, bitchy, bites, bitesize, bits, bitsy, bittick, bitz, boat's, boathouse, boats, bobbitt's, bobbitts, bodega, bodegas, bodes, bodice, bodices, bodies, body's, bodziak, bodziak's, booths, booties, boots, bootz, botch, botha's, botos, botox, botts, botz, boutique, boutiques, bouts, bowdish, bowditch, boyd's, bud's, buddha's, buddies, buddy's, budge, budick, budick's, budka, budke, buds, budz, buffets, buffett's, but's, butch, butchko, buteco, butka, butkiewicz, butkus, buts, butsch, buttke, buttock, buttocks, butts, butz, buyouts, bytes