matte vs matte up

matte is a noun but matte up is not a noun.

Word	Noun	Adjective	Verb	Adverb
matte	Yes	Yes	Yes	No
matte up	No	No	Yes	No

As verbs, matte and matte up are synonyms defined as:

Other synonyms of matte include felt, felt up, mat, mat up, matt-up.

matte (noun)	matte up (noun)
the property of having little or no contrast; lacking highlights or gloss
a mixture of sulfides that forms when sulfide metal ores are smelted

matte (adjective)	matte up (adjective)
not reflecting light; not glossy

matte (verb)	matte up (verb)
change texture so as to become matted and felt-like	change texture so as to become matted and felt-like