rancor vs American spelling

rancor and American spelling both are nouns.

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

rancor (noun)	American spelling (noun)
a feeling of deep and bitter anger and ill-will	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')