Philip Marlowe vs Marlowe

Philip Marlowe and Marlowe both are nouns.

Word	Noun	Adjective	Verb	Adverb
Philip Marlowe	Yes	No	No	No
Marlowe	Yes	No	No	No

As nouns, Philip Marlowe and Marlowe are synonyms defined as:

Philip Marlowe and Marlowe: tough cynical detective (one of the early detective heroes in American fiction) created by Raymond Chandler

Philip Marlowe (noun)	Marlowe (noun)
tough cynical detective (one of the early detective heroes in American fiction) created by Raymond Chandler	English poet and playwright who introduced blank verse as a form of dramatic expression; was stabbed to death in a tavern brawl (1564-1593)
	tough cynical detective (one of the early detective heroes in American fiction) created by Raymond Chandler