Centranthus ruber vs French honeysuckle

Centranthus ruber and French honeysuckle both are nouns.

Word	Noun	Adjective	Verb	Adverb
Centranthus ruber	Yes	No	No	No
French honeysuckle	Yes	No	No	No

As nouns, Centranthus ruber and French honeysuckle are synonyms defined as:

Centranthus ruber and French honeysuckle: European herb with small fragrant crimson or white spurred flowers

Other synonyms of Centranthus ruber include red valerian.

Centranthus ruber (noun)	French honeysuckle (noun)
European herb with small fragrant crimson or white spurred flowers	perennial of southern Europe cultivated for forage and for its nectar-rich pink flowers that make it an important honey crop
	European herb with small fragrant crimson or white spurred flowers