collective vs clustered

collective is a noun but clustered is not a noun.

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

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

collective (adjective)	clustered (adjective)
forming a whole or aggregate	clustered together but not coherent
done by or characteristic of individuals acting together	growing close together but not in dense mats
set up on the principle of collectivism or ownership and production by the workers involved usually under the supervision of a government