Defeating rhymes with:
beating, cheating, competing, completing, deleting, depleting, eating, fleeting, geeting, greeting, heating, keating, meeting, mistreating, overeating, repeating, retreating, seating, sheeting, smeeting, sweeting, treating, unseating, wieting
Defeating sounds like:
davidian's, davidians, debating, debuting, deviating, deviations, devoting, diphthong, dividing, doubting