productivity vs productive

productivity is a noun but productive is not a noun.

Word	Noun	Adjective	Verb	Adverb
productivity	Yes	No	No	No
productive	No	Yes	No	No

productivity (noun)	productive (noun)
the quality of being productive or having the power to produce
(economics) the ratio of the quantity and quality of units produced to the labor per unit of time

productivity (adjective)	productive (adjective)
	producing or capable of producing (especially abundantly)
	having the ability to produce or originate
	marked by great fruitfulness
	yielding positive results