cozy vs American spelling

cozy and American spelling both are nouns.

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

cozy (noun)	American spelling (noun)
a padded cloth covering to keep a teapot warm	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

cozy (adjective)	American spelling (adjective)
suggesting connivance
enjoying or affording comforting warmth and shelter especially in a small space
having or fostering a warm or friendly and informal atmosphere