sprawl vs subtopia

sprawl and subtopia both are nouns.

Word	Noun	Adjective	Verb	Adverb
sprawl	Yes	No	Yes	No
subtopia	Yes	No	No	No

As nouns, subtopia is a hyponym of sprawl; that is, subtopia is a word with a more specific, narrower meaning than sprawl:

sprawl (noun)	subtopia (noun)
an ungainly posture with arms and legs spread about	monotonous urban sprawl of standardized buildings
an aggregation or continuous network of urban communities

sprawl (verb)	subtopia (verb)
sit or lie with one's limbs spread out
go, come, or spread in a rambling or irregular way