refer vs advert

refer is not a noun while advert is a noun.

Word	Noun	Adjective	Verb	Adverb
refer	No	No	Yes	No
advert	Yes	No	Yes	No

As verbs, refer and advert are synonyms defined as:

Other synonyms of refer include bring up, cite, mention, name.

refer (noun)	advert (noun)
	a public promotion of some product or service

refer (verb)	advert (verb)
think of, regard, or classify under a subsuming principle or with a general group or in relation to another	make a more or less disguised reference to
have as a meaning	make reference to
make reference to	give heed (to)
use a name to designate
seek information from
send or direct for treatment, information, or a decision
be relevant to