woman vs woman's body

woman and woman's body both are nouns.

Word	Noun	Adjective	Verb	Adverb
woman	Yes	No	No	No
woman's body	Yes	No	No	No

woman (noun)	woman's body (noun)
women as a class	the body of an adult woman
an adult female person (as opposed to a man)
a female person who plays a significant role (wife or mistress or girlfriend) in the life of a particular man