sterile vs barren

sterile is not a noun while barren is a noun.

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

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

sterile (adjective)	barren (adjective)
incapable of reproducing	providing no shelter or sustenance
free of or using methods to keep free of pathological microorganisms	completely wanting or lacking
deficient in originality or creativity; lacking powers of invention	not bearing offspring