narrow-leaved everlasting pea vs Lathyrus sylvestris

narrow-leaved everlasting pea and Lathyrus sylvestris both are nouns.

Word	Noun	Adjective	Verb	Adverb
narrow-leaved everlasting pea	Yes	No	No	No
Lathyrus sylvestris	Yes	No	No	No

As nouns, narrow-leaved everlasting pea and Lathyrus sylvestris are synonyms defined as:

narrow-leaved everlasting pea and Lathyrus sylvestris: European perennial with mottled flowers of purple and pink; sometimes cultivated for fodder or as green manure

Other synonyms of narrow-leaved everlasting pea include flat pea.

narrow-leaved everlasting pea (noun)	Lathyrus sylvestris (noun)
European perennial with mottled flowers of purple and pink; sometimes cultivated for fodder or as green manure	European perennial with mottled flowers of purple and pink; sometimes cultivated for fodder or as green manure