email vs American spelling

email and American spelling both are nouns.

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

email (noun)	American spelling (noun)
(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

email (verb)	American spelling (verb)
communicate electronically on the computer