attention vs notice

attention and notice both are nouns.

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

As nouns, notice is a hyponym of attention; that is, notice is a word with a more specific, narrower meaning than attention:

attention: the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
notice: the act of noticing or paying attention

Other hyponyms of attention include attentiveness, heed, paying attention, regard, clock-watching, ear, eye, observance, observation.

attention (noun)	notice (noun)
the work of providing treatment for or attending to someone or something	the act of noticing or paying attention
a courteous act indicating affection	polite or favorable attention
a motionless erect stance with arms at the sides and feet together; assumed by military personnel during drill or review	a sign posted in a public place as an advertisement
the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others	an announcement containing information about an event
the faculty or power of mental concentration	a request for payment
a general interest that leads people to want to know more	advance notification (usually written) of the intention to withdraw from an arrangement of contract
	a short critical review

attention (verb)	notice (verb)
	make or write a comment on
	express recognition of the presence or existence of, or acquaintance with
	notice or perceive
	discover or determine the existence, presence, or fact of by perception with the eyes