subculture vs suburbia

subculture and suburbia both are nouns.

Word	Noun	Adjective	Verb	Adverb
subculture	Yes	No	No	No
suburbia	Yes	No	No	No

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

subculture: a social group within a national culture that has distinctive patterns of behavior and beliefs
suburbia: suburbanites considered as a cultural class or subculture

Other hyponyms of subculture include youth culture, psychedelia.

subculture (noun)	suburbia (noun)
a social group within a national culture that has distinctive patterns of behavior and beliefs	suburbanites considered as a cultural class or subculture
	a residential district located on the outskirts of a city