Hallas rhymes with:
ballas, callas, gallas, kallas, vallas, abiola's, abuellah's, afula's, angela's, angola's, apalachicola's, arenella's, arkla's, attila's, ballas, begala's, bellas, callas, carla's, casillas, cola's, copolla's, coppola's, ella's, formulas, fuklah's, galas, gallas, golas, gondolas, gonzalez, goodfellas, gorillas, guatemala's, guerillas, guerrillas, guerrillas', gulas, halas, hecla's, hezbollah's, islas, kabila's, kalas, kallas, koalas, kulas, lula's, mancillas, mandela's, manila's, matala's, mazzola's, michela's, miklas, milas, motorola's, mullahs, myla's, najibullah's, nicklas, nickolas, ornelas, ornella's, ornellas, pamela's, pasillas, pergolas, priscilla's, ruelas, scillas, shalala's, sheila's, skoczylas, stella's, tarantulas, tuzla's, umbrellas, valensuela's, vallas, vandellas, venezuela's, villa's, villas, violas, wala's, walas
Hallas sounds like:
hailes, hails, hal's, halas, halasz, hale's, hales, haley's, halik, halko, hall's, halleck, hallelujah, hallisey, hallock, hallows, halls, hallways, halos, halsey, haluska, hauls, haulsey, hawley's, hayles, heals, healy's, heels, heilig, helga, helice, helios, helix, helke, hell's, hellacious, hellish, hellwig, helwig, hiles, hilke, hill's, hillas, hillegas, hillegass, hillhouse, hilligoss, hillis, hillock, hills, hills', holck, holecek, holes, holick, holik, hollick, hollies, hollis, hollow's, hollows, holly's, hollyhock, hollyhocks, holsey, holyoak, holyoke, holz, holzschuh, howell's, howells, howls, hoylake, huallaga, hulce, hulce's, hulick, hulk, hulks, hull's, hulls, huls, hulse, hulsey, hylsa