blur vs obnubilate

blur is a noun but obnubilate is not a noun.

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

As verbs, blur and obnubilate are synonyms defined as:

Other synonyms of blur include confuse, obscure.

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

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