Theora rhymes with:
acampora, acura, agora, amphora, anaphora, andera, ankara, aventura, bachera, barbara, camera, cetera, cholera, corpora, deborah, diaspora, eleuthera, etc, etcetera, genera, imbera, kuchera, lenora, maquiladora, plethora, reitera, samara, tempera, vanora
Theora sounds like:
taher, taira, tar, tara, taro, tarr, tarry, tatar, tater, tatra, tatro, tatter, tauer, tawdry, tear, teare, teary, teater, teatro, tedder, tedrow, teer, teeter, teodoro, ter, terhaar, teri, terra, terre, terri, terrie, terrier, terrio, terror, terry, teruya, teter, tether, tetra, tetro, thar, thayer, theater, theatre, their, theodor, theodora, theodore, theodorou, theory, thera, there, there're, theurer, they're, thier, thierry, thiery, thiry, thor, thora, thoreau, thoro, three, threw, throw, throwaway, thrower, thru, thruway, thur, thurow, thyra, tiara, tidewater, tier, tire, tirey, titter, todaro, tor, torah, toray, tore, torey, tori, torie, toro, torr, torray, torre, torrey, torry, toru, tory, totaro, totherow, totter, tour, touro, tower, towery, towry, traer, tray, trayer, tre, tree, treu, trew, trey, tri, trie, trier, trieu, trio, troha, troia, trow, trower, troy, troyer, troyu, true, truer, truro, try, tudor, ture, turi, turo, turow, turri, tutor, tutterow, tyer, tyra, tyre, tyree