Primula auricula vs bear's ear

Primula auricula and bear's ear both are nouns.

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

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

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

Other synonyms of Primula auricula include auricula.

Primula auricula (noun)	bear's ear (noun)
yellow-flowered primrose native to Alps; commonly cultivated	yellow-flowered primrose native to Alps; commonly cultivated