hoopla vs publicity

hoopla and publicity both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoopla	Yes	No	No	No
publicity	Yes	No	No	No

As nouns, publicity is a hypernym of hoopla; that is, publicity is a word with a broader meaning than hoopla:

hoopla: blatant or sensational promotion
publicity: a message issued in behalf of some product or cause or idea or person or institution

Other hypernyms of hoopla include packaging, promo, promotion, promotional material.

hoopla (noun)	publicity (noun)
blatant or sensational promotion	the quality of being open to public view
	a message issued in behalf of some product or cause or idea or person or institution