accuse vs blame

accuse is not a noun while blame is a noun.

Word	Noun	Adjective	Verb	Adverb
accuse	No	No	Yes	No
blame	Yes	Yes	Yes	No

As verbs, blame is a hyponym of accuse; that is, blame is a word with a more specific, narrower meaning than accuse:

accuse (noun)	blame (noun)
	a reproach for some lapse or misdeed
	an accusation that you are responsible for some lapse or misdeed

accuse (adjective)	blame (adjective)
	expletives used informally as intensifiers

accuse (verb)	blame (verb)
bring an accusation against; level a charge against	attribute responsibility to
blame for, make a claim of wrongdoing or misbehavior against	put or pin the blame on
	harass with constant criticism