Petroselinum crispum vs parsley

Petroselinum crispum and parsley both are nouns.

Word	Noun	Adjective	Verb	Adverb
Petroselinum crispum	Yes	No	No	No
parsley	Yes	No	No	No

As nouns, Petroselinum crispum and parsley are synonyms defined as:

Petroselinum crispum and parsley: annual or perennial herb with aromatic leaves

Petroselinum crispum (noun)	parsley (noun)
annual or perennial herb with aromatic leaves	aromatic herb with flat or crinkly leaves that are cut finely and used to garnish food
	annual or perennial herb with aromatic leaves