body of work vs end product

body of work and end product both are nouns.

Word	Noun	Adjective	Verb	Adverb
body of work	Yes	No	No	No
end product	Yes	No	No	No

As nouns, end product is a hypernym of body of work; that is, end product is a word with a broader meaning than body of work:

body of work: the total output of a writer or artist (or a substantial part of it)
end product: final product; the things produced

Other hypernyms of body of work include output.

body of work (noun)	end product (noun)
the total output of a writer or artist (or a substantial part of it)	final product; the things produced