attention vs attend

attention is a noun but attend is not a noun.

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

attention (noun)	attend (noun)
the work of providing treatment for or attending to someone or something
a courteous act indicating affection
a motionless erect stance with arms at the sides and feet together; assumed by military personnel during drill or review
the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
the faculty or power of mental concentration
a general interest that leads people to want to know more

attention (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