notice vs noticer

notice and noticer both are nouns.

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

notice (noun)	noticer (noun)
the act of noticing or paying attention	someone who gives formal notice
polite or favorable attention	someone who takes notice
a sign posted in a public place as an advertisement
an announcement containing information about an event
a request for payment
advance notification (usually written) of the intention to withdraw from an arrangement of contract
a short critical review

notice (verb)	noticer (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