American spelling vs blamable

American spelling is a noun but blamable is not a noun.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
blamable	No	Yes	No	No

American spelling (noun)	blamable (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

American spelling (adjective)	blamable (adjective)
	deserving blame or censure as being wrong or evil or injurious