bear on vs advert

bear on is not a noun while advert is a noun.

Word	Noun	Adjective	Verb	Adverb
bear on	No	No	Yes	No
advert	Yes	No	Yes	No

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

bear on (verb)	advert (verb)
have an effect upon	make a more or less disguised reference to
press, drive, or impel (someone) to action or completion of an action	make reference to
be relevant to	give heed (to)
keep or maintain in unaltered condition; cause to remain or last