resmudge vs blur

resmudge is not a noun while blur is a noun.

Word	Noun	Adjective	Verb	Adverb
resmudge	No	No	Yes	No
blur	Yes	No	Yes	No

As verbs, blur is a hypernym of resmudge; that is, blur is a word with a broader meaning than resmudge:

Other hypernyms of resmudge include smear, smudge, smutch.

resmudge (noun)	blur (noun)
	a hazy or indistinct representation

resmudge (verb)	blur (verb)
smudge again	become vague or indistinct
	make dim or indistinct
	make unclear, indistinct, or blurred
	make a smudge on; soil by smudging
	to make less distinct or clear
	become glassy; lose clear vision