candor vs American spelling

candor and American spelling both are nouns.

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

candor (noun)	American spelling (noun)
the quality of being honest and straightforward in attitude and speech	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
ability to make judgments free from discrimination or dishonesty