Disappointment rhymes with:
appointment, reappointment, appointment, reappointment, appointment, ointment, reappointment, appointment, contentment, disenchantment, enchantment, ointment, presentment, reappointment, resentment
appointment, reappointment, appointment, reappointment, appointment, ointment, reappointment, appointment, contentment, disenchantment, enchantment, ointment, presentment, reappointment, resentment