miscellany vs mixed bag

miscellany and mixed bag both are nouns.

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

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

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

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

miscellany (noun)	mixed bag (noun)
an anthology of short literary pieces and poems and ballads etc.	a collection containing a variety of sorts of things
a collection containing a variety of sorts of things