anesthetic vs American spelling

anesthetic and American spelling both are nouns.

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

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

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