physical body vs anatomy

physical body and anatomy both are nouns.

Word	Noun	Adjective	Verb	Adverb
physical body	Yes	No	No	No
anatomy	Yes	No	No	No

As nouns, physical body and anatomy are synonyms defined as:

physical body and anatomy: alternative names for the body of a human being

Other synonyms of physical body include bod, build, chassis, figure, flesh, form, frame, human body, material body, physique, shape, soma.

physical body (noun)	anatomy (noun)
alternative names for the body of a human being	a detailed analysis
	alternative names for the body of a human being
	the branch of morphology that deals with the structure of animals