variety vs melange

variety and melange both are nouns.

Word	Noun	Adjective	Verb	Adverb
variety	Yes	No	No	No
melange	Yes	No	No	No

As nouns, melange is a hyponym of variety; that is, melange is a word with a more specific, narrower meaning than variety:

variety (noun)	melange (noun)
noticeable heterogeneity	a motley assortment of things
a difference that is usually pleasant
a category of things distinguished by some common characteristic or quality
a show consisting of a series of short unrelated performances
(biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics
a collection containing a variety of sorts of things