Fleet Street vs street

Fleet Street and street both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fleet Street	Yes	No	No	No
street	Yes	No	No	No

Fleet Street (noun)	street (noun)
British journalism	a thoroughfare (usually including sidewalks) that is lined with buildings
a street in central London where newspaper offices are situated	the part of a thoroughfare between the sidewalks; the part of the thoroughfare on which vehicles travel
	people living or working on the same street
	the streets of a city viewed as a depressed environment in which there is poverty and crime and prostitution and dereliction
	a situation offering opportunities