communicational vs communication

communicational is not a noun while communication is a noun.

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

communicational (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

communicational (adjective)	communication (adjective)
used in communication