Viola odorata vs English violet

Viola odorata and English violet both are nouns.

Word	Noun	Adjective	Verb	Adverb
Viola odorata	Yes	No	No	No
English violet	Yes	No	No	No

As nouns, Viola odorata and English violet are synonyms defined as:

Viola odorata and English violet: European violet typically having purple to white flowers; widely naturalized

Other synonyms of Viola odorata include garden violet, sweet violet.

Viola odorata (noun)	English violet (noun)
European violet typically having purple to white flowers; widely naturalized	European violet typically having purple to white flowers; widely naturalized