hairy vetch vs Vicia villosa

hairy vetch and Vicia villosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
hairy vetch	Yes	No	No	No
Vicia villosa	Yes	No	No	No

As nouns, hairy vetch and Vicia villosa are synonyms defined as:

hairy vetch and Vicia villosa: European vetch much cultivated as forage and cover crops

Other synonyms of hairy vetch include hairy tare.

hairy vetch (noun)	Vicia villosa (noun)
European vetch much cultivated as forage and cover crops	European vetch much cultivated as forage and cover crops