American spelling vs anesthetic

American spelling and anesthetic both are nouns.

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

American spelling (noun)	anesthetic (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	a drug that causes temporary loss of bodily sensations

American spelling (adjective)	anesthetic (adjective)
	relating to or producing insensibility
	characterized by insensibility