blame vs darned

blame is a noun but darned is not a noun.

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

As adjectives, blame and darned are synonyms defined as:

Other synonyms of blame include blamed, blasted, blessed, damn, damned, deuced, goddam, goddamn, goddamned, infernal.

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

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

blame (verb)	darned (verb)
attribute responsibility to
put or pin the blame on
harass with constant criticism