sterile vs fecundity

sterile is not a noun while fecundity is a noun.

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

sterile (noun)	fecundity (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

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