warren vs residential district

warren and residential district both are nouns.

Word	Noun	Adjective	Verb	Adverb
warren	Yes	No	No	No
residential district	Yes	No	No	No

As nouns, residential district is a hypernym of warren; that is, residential district is a word with a broader meaning than warren:

warren: an overcrowded residential area
residential district: a district where people live; occupied primarily by private residences

Other hypernyms of warren include community, residential area.

warren (noun)	residential district (noun)
a colony of rabbits	a district where people live; occupied primarily by private residences
an overcrowded residential area
a series of connected underground tunnels occupied by rabbits