Constitution of the United States vs Fourteenth Amendment

Constitution of the United States and Fourteenth Amendment both are nouns.

Word	Noun	Adjective	Verb	Adverb
Constitution of the United States	Yes	No	No	No
Fourteenth Amendment	Yes	No	No	No

Constitution of the United States (noun)	Fourteenth Amendment (noun)
the constitution written at the Constitutional Convention in Philadelphia in 1787 and subsequently ratified by the original thirteen states	an amendment to the Constitution of the United States adopted in 1868; extends the guarantees of the Bill of Rights to the states as well as to the federal government