mixed bag vs smorgasbord

mixed bag and smorgasbord both are nouns.

Word	Noun	Adjective	Verb	Adverb
mixed bag	Yes	No	No	No
smorgasbord	Yes	No	No	No

As nouns, mixed bag and smorgasbord are synonyms defined as:

mixed bag and smorgasbord: a collection containing a variety of sorts of things

Other synonyms of mixed bag include assortment, miscellanea, miscellany, mixture, motley, potpourri, salmagundi, variety.

mixed bag (noun)	smorgasbord (noun)
a collection containing a variety of sorts of things	an assortment of foods starting with herring or smoked eel or salmon etc with bread and butter; then cheeses and eggs and pickled vegetables and aspics; finally hot foods; served as a buffet meal
	a collection containing a variety of sorts of things