Baseball's rhymes with:
baseballs, baseballs, baseballs, ball's, balls, balz, baseballs, sabol's, all's, alls, appalls, ball's, balls, balz, 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, valls, wall's, walles, walls, walz