First Amendment to the United States Constitution vs Bill of Rights

First Amendment to the United States Constitution and Bill of Rights both are nouns.

Word	Noun	Adjective	Verb	Adverb
First Amendment to the United States Constitution	Yes	No	No	No
Bill of Rights	Yes	No	No	No

First Amendment to the United States Constitution (noun)	Bill of Rights (noun)
an amendment to the Constitution of the United States guaranteeing the right of free expression; includes freedom of assembly and freedom of the press and freedom of religion and freedom of speech	a statement of fundamental rights and privileges (especially the first ten amendments to the United States Constitution)