mishmash vs motley

mishmash and motley both are nouns.

Word	Noun	Adjective	Verb	Adverb
mishmash	Yes	No	No	No
motley	Yes	Yes	Yes	No

As nouns, motley is a hypernym of mishmash; that is, motley is a word with a broader meaning than mishmash:

mishmash (noun)	motley (noun)
a motley assortment of things	a multicolored woolen fabric woven of mixed threads in 14th to 17th century England
	a garment made of motley (especially a court jester's costume)
	a collection containing a variety of sorts of things

mishmash (adjective)	motley (adjective)
	having sections or patches colored differently and usually brightly
	consisting of a haphazard assortment of different kinds

mishmash (verb)	motley (verb)
	make motley; color with different colors
	make something more diverse and varied