Differentiated rhymes with:
undifferentiated, undifferentiated, undifferentiated, substantiated, undifferentiated, unsubstantiated, appreciated, depreciated, emaciated, renegotiated, substantiated, unappreciated, undifferentiated, uninitiated, unsubstantiated
Differentiated sounds like:
debarment, deferment, deformed, deformity, different, differentiate