auricula vs bear's ear

auricula and bear's ear both are nouns.

Word	Noun	Adjective	Verb	Adverb
auricula	Yes	No	No	No
bear's ear	Yes	No	No	No

As nouns, auricula and bear's ear are synonyms defined as:

auricula and bear's ear: yellow-flowered primrose native to Alps; commonly cultivated

Other synonyms of auricula include Primula auricula.

auricula (noun)	bear's ear (noun)
a pouch projecting from the top front of each atrium of the heart	yellow-flowered primrose native to Alps; commonly cultivated
yellow-flowered primrose native to Alps; commonly cultivated