adult body vs physical body

adult body and physical body both are nouns.

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

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

Other hypernyms of adult body include anatomy, bod, build, chassis, figure, flesh, form, frame, human body, material body, physique, shape, soma.

adult body (noun)	physical body (noun)
the body of an adult human being	alternative names for the body of a human being