cosy vs British spelling

cosy and British spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
cosy	Yes	Yes	No	No
British spelling	Yes	No	No	No

cosy (noun)	British spelling (noun)
a padded cloth covering to keep a teapot warm	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

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