Vasectomies rhymes with:
appendectomies, lumpectomies, mastectomies, tonsillectomies, appendectomies, lumpectomies, mastectomies, tonsillectomies, appendectomies, lumpectomies, mastectomies, tonsillectomies
Vasectomies sounds like:
vacating, vacationing, vacations, vastness, vesting, victim's, victimize, victims, victims', visitations, visiting, vocations