butter-and-eggs vs Linaria vulgaris

butter-and-eggs and Linaria vulgaris both are nouns.

Word	Noun	Adjective	Verb	Adverb
butter-and-eggs	Yes	No	No	No
Linaria vulgaris	Yes	No	No	No

As nouns, butter-and-eggs and Linaria vulgaris are synonyms defined as:

butter-and-eggs and Linaria vulgaris: common European perennial having showy yellow and orange flowers; a naturalized weed in North America

Other synonyms of butter-and-eggs include devil's flax, toadflax, wild snapdragon.

butter-and-eggs (noun)	Linaria vulgaris (noun)
common European perennial having showy yellow and orange flowers; a naturalized weed in North America	common European perennial having showy yellow and orange flowers; a naturalized weed in North America