cosy vs Australian spelling

cosy and Australian spelling both are nouns.

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

cosy (noun)	Australian spelling (noun)
a padded cloth covering to keep a teapot warm	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

cosy (adjective)	Australian 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