tea cozy vs cozy

tea cozy and cozy both are nouns.

Word	Noun	Adjective	Verb	Adverb
tea cozy	Yes	No	No	No
cozy	Yes	Yes	No	No

As nouns, tea cozy and cozy are synonyms defined as:

Other synonyms of tea cozy include cosy, tea cosy.

tea cozy (noun)	cozy (noun)
a padded cloth covering to keep a teapot warm	a padded cloth covering to keep a teapot warm

tea cozy (adjective)	cozy (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