advertizement vs advertising

advertizement and advertising both are nouns.

Word	Noun	Adjective	Verb	Adverb
advertizement	Yes	No	No	No
advertising	Yes	No	No	No

As nouns, advertizement and advertising are synonyms defined as:

advertizement and advertising: a public promotion of some product or service

Other synonyms of advertizement include ad, advert, advertisement, advertizing.

advertizement (noun)	advertising (noun)
a public promotion of some product or service	the business of drawing public attention to goods and services
	a public promotion of some product or service