fecundity vs sterile

fecundity is a noun but sterile is not a noun.

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

fecundity (noun)	sterile (noun)
the quality of something that causes or assists healthy growth
the intellectual productivity of a creative imagination
the state of being fertile; capable of producing offspring

fecundity (adjective)	sterile (adjective)
	incapable of reproducing
	free of or using methods to keep free of pathological microorganisms
	deficient in originality or creativity; lacking powers of invention