Mistreated rhymes with:
maltreated, untreated, accreted, maltreated, untreated, accreted, competed, depleted, maltreated, meted, repeated, superheated, uncompleted, undefeated, unseated, untreated
Mistreated sounds like:
magistrate, mainstreet, mastered, meckstroth, menstruate, mistreat, mistretta, mostaert, mustard, mustered