collective vs aggregative

collective is a noun but aggregative is not a noun.

Word	Noun	Adjective	Verb	Adverb
collective	Yes	Yes	No	No
aggregative	No	Yes	No	No

collective (noun)	aggregative (noun)
members of a cooperative enterprise

collective (adjective)	aggregative (adjective)
forming a whole or aggregate	formed of separate units gathered into a mass or whole
done by or characteristic of individuals acting together
set up on the principle of collectivism or ownership and production by the workers involved usually under the supervision of a government