Klamath-falls rhymes with:
befalls, fall's, falls, mcfalls, 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, 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, valls, wall's, walles, walls, walz