blur vs confound

blur is a noun but confound is not a noun.

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

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

blur (verb)	confound (verb)
become vague or indistinct	mistake one thing for another
make dim or indistinct	be confusing or perplexing to; cause to be unable to think clearly
make unclear, indistinct, or blurred
make a smudge on; soil by smudging
to make less distinct or clear
become glassy; lose clear vision