Valls rhymes with:
all's, alls, appalls, ball's, balls, balz, baseball's, baseballs, befalls, brawls, call's, calls, crawls, drawls, fall's, falls, forestalls, galls, gauls, hall's, halls, hauls, ingalls, installs, klamath-falls, mall's, malls, mccall's, mcfalls, nalls, paul's, paules, pauls, ralls, rawles, rawls, sabol's, salls, salz, sauls, schmalz, shawls, smalls, sprawls, squalls, stalls, wall's, walles, walls, walz
Valls sounds like:
valasek, valek, vales, valeska, valis, valk, valko, vallas, vallejo, vallejos, valles, valley's, valleys, vallez, vallis, valois, valueless, values, values', valukas, veals, veilleux, veils, velasco, velasquez, velazco, velazquez, velez, velika, veliz, vellucci, veloso, veloz, vials, vilas, viles, villa's, village, village's, villages, villas, ville's, villegas, villwock, violas, vlach, vlachos, vlahakis, vlahos, vlasak, vlasic, vlcek, vlok, voelz, voiles, voles, volga, volk, volleys, volokh, volz, vowels, vowles, voyles