physical therapist vs healer

physical therapist and healer both are nouns.

Word	Noun	Adjective	Verb	Adverb
physical therapist	Yes	No	No	No
healer	Yes	No	No	No

As nouns, healer is a hypernym of physical therapist; that is, healer is a word with a broader meaning than physical therapist:

physical therapist: therapist who treats injury or dysfunction with exercises and other physical treatments of the disorder
healer: a person skilled in a particular type of therapy

Other hypernyms of physical therapist include therapist.

physical therapist (noun)	healer (noun)
therapist who treats injury or dysfunction with exercises and other physical treatments of the disorder	a person skilled in a particular type of therapy