cornelian cherry vs Cornus mas

cornelian cherry and Cornus mas both are nouns.

Word	Noun	Adjective	Verb	Adverb
cornelian cherry	Yes	No	No	No
Cornus mas	Yes	No	No	No

As nouns, cornelian cherry and Cornus mas are synonyms defined as:

cornelian cherry and Cornus mas: deciduous European shrub or small tree having bright red fruit

cornelian cherry (noun)	Cornus mas (noun)
deciduous European shrub or small tree having bright red fruit	deciduous European shrub or small tree having bright red fruit