American spelling vs sulfur

American spelling and sulfur both are nouns.

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

American spelling (noun)	sulfur (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)

American spelling (verb)	sulfur (verb)
	treat with sulphur in order to preserve