dystopian vs dystopia

dystopian is not a noun while dystopia is a noun.

Word	Noun	Adjective	Verb	Adverb
dystopian	No	Yes	No	No
dystopia	Yes	No	No	No

dystopian (noun)	dystopia (noun)
	a work of fiction describing an imaginary place where life is extremely bad because of deprivation or oppression or terror
	state in which the conditions of life are extremely bad as from deprivation or oppression or terror

dystopian (adjective)	dystopia (adjective)
as bad as can be; characterized by human misery
of or pertaining to or resembling a dystopia