advertizement vs advertizing

advertizement and advertizing both are nouns.

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

As nouns, advertizement and advertizing are synonyms defined as:

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

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

advertizement (noun)	advertizing (noun)
a public promotion of some product or service	a public promotion of some product or service