communicative vs communication

communicative is not a noun while communication is a noun.

Word	Noun	Adjective	Verb	Adverb
communicative	No	Yes	No	No
communication	Yes	No	No	No

communicative (noun)	communication (noun)
	something that is communicated by or to or between people or groups
	the activity of communicating; the activity of conveying information
	a connection allowing access between persons or places

communicative (adjective)	communication (adjective)
able or tending to communicate
of or relating to communication