attender vs attend

attender is a noun but attend is not a noun.

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

attender (noun)	attend (noun)
someone who waits on or tends to or attends to the needs of another
a person who is present and participates in a meeting
someone who listens attentively

attender (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