barren vs stark

barren is a noun but stark is not a noun.

Word	Noun	Adjective	Verb	Adverb
barren	Yes	Yes	No	No
stark	No	Yes	No	Yes

As adjectives, barren and stark are synonyms defined as:

Other synonyms of barren include bare, bleak, desolate.

barren (noun)	stark (noun)
an uninhabited wilderness that is worthless for cultivation

barren (adjective)	stark (adjective)
providing no shelter or sustenance	complete or extreme
completely wanting or lacking	providing no shelter or sustenance
not bearing offspring	severely simple
	devoid of any qualifications or disguise or adornment
	without qualification; used informally as (often pejorative) intensifiers

barren (adverb)	stark (adverb)
	to the fullest degree