attendance vs attend

attendance is a noun but attend is not a noun.

Word	Noun	Adjective	Verb	Adverb
attendance	Yes	No	No	No
attend	No	No	Yes	No

attendance (noun)	attend (noun)
the act of being present (at a meeting or event etc.)
the number of people that are present
the frequency with which a person is present

attendance (verb)	attend (verb)
	give heed (to)
	work for, or be a servant to
	take charge of or deal with
	be present at (meetings, church services, university), etc.
	to accompany as a circumstance or follow as a result