mat up vs felt up

mat up and felt up both are verbs.

Word	Noun	Adjective	Verb	Adverb
mat up	No	No	Yes	No
felt up	No	No	Yes	No

As verbs, mat up and felt up are synonyms defined as:

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

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