recognition vs unacknowledged

recognition is a noun but unacknowledged is not a noun.

Word	Noun	Adjective	Verb	Adverb
recognition	Yes	No	No	No
unacknowledged	No	Yes	No	No

recognition (noun)	unacknowledged (noun)
designation by the chair granting a person the right to speak in a deliberative body
the process of recognizing something or someone by remembering
an acceptance (as of a claim) as true and valid
coming to understand something clearly and distinctly
approval
the explicit and formal acknowledgement of a government or of the national independence of a country
(biology) the ability of one molecule to attach to another molecule that has a complementary shape
the state or quality of being recognized or acknowledged

recognition (adjective)	unacknowledged (adjective)
	not recognized or admitted
	not openly acknowledged