Dracunculus vulgaris vs dragon arum

Dracunculus vulgaris and dragon arum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dracunculus vulgaris	Yes	No	No	No
dragon arum	Yes	No	No	No

As nouns, Dracunculus vulgaris and dragon arum are synonyms defined as:

Dracunculus vulgaris and dragon arum: European arum resembling the cuckoopint

Other synonyms of Dracunculus vulgaris include green dragon.

Dracunculus vulgaris (noun)	dragon arum (noun)
European arum resembling the cuckoopint	European arum resembling the cuckoopint