miscellanea vs mixed bag

miscellanea and mixed bag both are nouns.

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

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

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

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

miscellanea (noun)	mixed bag (noun)
a collection containing a variety of sorts of things	a collection containing a variety of sorts of things