advertise vs British spelling

advertise is not a noun while British spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
advertise	No	No	Yes	No
British spelling	Yes	No	No	No

advertise (noun)	British spelling (noun)
	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

advertise (verb)	British spelling (verb)
make publicity for; try to sell (a product)
call attention to