hotchpotch vs potpourri

hotchpotch and potpourri both are nouns.

Word	Noun	Adjective	Verb	Adverb
hotchpotch	Yes	No	No	No
potpourri	Yes	No	No	No

As nouns, potpourri is a hypernym of hotchpotch; that is, potpourri is a word with a broader meaning than hotchpotch:

Other hypernyms of hotchpotch include assortment, miscellanea, miscellany, mixed bag, mixture, motley, salmagundi, smorgasbord, variety.

hotchpotch (noun)	potpourri (noun)
a stew (or thick soup) made with meat and vegetables	a jar of mixed flower petals and spices used as perfume
a motley assortment of things	a musical composition consisting of a series of songs or other musical pieces from various sources
	a collection containing a variety of sorts of things