Vodkas rhymes with:
africa's, alaska's, alyeska's, america's, americas, angelicas, antarctica's, babushkas, balukas, bankamerica's, bazookas, biotechnica's, clucas, coastamerica's, corsicas, delucas, ditka's, doukas, dykas, fazekas, formica's, gikas, hanukkah's, hanukkahs, heikes, hosoka's, iacocca's, incas, ithaca's, jamaica's, jessica's, joncas, kafka's, kazlauskas, kiska's, klukas, labianca's, lanka's, latkas, lekas, lukas, luxottica's, marseca's, mazurkas, mclucas, mecca's, metallica's, minorco's, mochas, monica's, musica's, nebraska's, pagliuca's, palca's, palinkas, parkas, petrauskas, picas, polkas, primerica's, puskas, rebecca's, replicas, rica's, savickas, swastikas, tonka's, topeka's, trakas, transamerica's, tunica's, westamerica's, zeneca's, zukas
Vodkas sounds like:
vadas, vats, veatch, vedis, veitch, vetco, vetoes, vetos, vets, vetsch, video's, videodisk, videodisks, videos, videotex, vidigo, viets, vitek, vitez, vitucci, vodicka, vodka, voids, vote's, votes, voytek, voytko