concern vs advert

concern and advert both are nouns.

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

concern (noun)	advert (noun)
something that interests you because it is important or affects you	a public promotion of some product or service
something or someone that causes anxiety; a source of unhappiness
a feeling of sympathy for someone or something
an anxious feeling
a commercial or industrial enterprise and the people who constitute it

concern (verb)	advert (verb)
be relevant to	make a more or less disguised reference to
be on the mind of	make reference to
	give heed (to)