advertizer vs tout

advertizer and tout both are nouns.

Word	Noun	Adjective	Verb	Adverb
advertizer	Yes	No	No	No
tout	Yes	No	Yes	No

As nouns, tout is a hyponym of advertizer; that is, tout is a word with a more specific, narrower meaning than advertizer:

Other hyponyms of advertizer include huckster, booster, plugger, promoter, touter.

advertizer (noun)	tout (noun)
someone whose business is advertising	someone who advertises for customers in an especially brazen way
	one who sells advice about gambling or speculation (especially at the racetrack)
	someone who buys tickets to an event in order to resell them at a profit

advertizer (verb)	tout (verb)
	show off
	advertize in strongly positive terms