Keratotomy rhymes with:
pallidotomy, anatomy, appendectomy, dichotomy, epitome, hysterectomies, hysterectomy, lumpectomy, mastectomy, pallidotomy, prostatectomy, tonsillectomy, vasectomy
Keratotomy sounds like:
keratin, khartoum, kirton, koreatown, korten, kortman, kortum, kreitman, krudman