Ithaca's rhymes with:
africa's, america's, americas, hanukkah's, hanukkahs, replicas, zeneca's, 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, 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, vodkas, westamerica's, zeneca's, zukas
Ithaca's sounds like:
idaho's, idea's, ideas, idec, idiocy, idiotic, idiots, iodice, iodide's, iodides, it's, itasca, itch, itches, itchy, itek, ithaca, ito's, itochu, its, itsy, itzhak