street vs Fleet Street

street and Fleet Street both are nouns.

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

street (noun)	Fleet Street (noun)
a thoroughfare (usually including sidewalks) that is lined with buildings	British journalism
the part of a thoroughfare between the sidewalks; the part of the thoroughfare on which vehicles travel	a street in central London where newspaper offices are situated
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