U.S. vs Marlowe

U.S. and Marlowe both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
Marlowe	Yes	No	No	No

U.S. (noun)	Marlowe (noun)
the executive and legislative and judicial branches of the federal government of the United States	English poet and playwright who introduced blank verse as a form of dramatic expression; was stabbed to death in a tavern brawl (1564-1593)
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776	tough cynical detective (one of the early detective heroes in American fiction) created by Raymond Chandler