Overeating rhymes with:
beating, cheating, competing, completing, defeating, deleting, depleting, eating, fleeting, geeting, greeting, heating, keating, meeting, mistreating, repeating, retreating, seating, sheeting, smeeting, sweeting, treating, unseating, wieting
Overeating sounds like:
operating, operation's, operations, operations', overdoing, overheating, overrating, overriding, overtones, overwriting