myrtle vs Vinca minor

myrtle and Vinca minor both are nouns.

Word	Noun	Adjective	Verb	Adverb
myrtle	Yes	No	No	No
Vinca minor	Yes	No	No	No

As nouns, myrtle and Vinca minor are synonyms defined as:

myrtle and Vinca minor: widely cultivated as a groundcover for its dark green shiny leaves and usually blue-violet flowers

myrtle (noun)	Vinca minor (noun)
any evergreen shrub or tree of the genus Myrtus	widely cultivated as a groundcover for its dark green shiny leaves and usually blue-violet flowers
widely cultivated as a groundcover for its dark green shiny leaves and usually blue-violet flowers