advert vs refer

advert is a noun but refer is not a noun.

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

As verbs, advert and refer are synonyms defined as:

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

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

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