Castanea sativa vs Spanish chestnut

Castanea sativa and Spanish chestnut both are nouns.

Word	Noun	Adjective	Verb	Adverb
Castanea sativa	Yes	No	No	No
Spanish chestnut	Yes	No	No	No

As nouns, Castanea sativa and Spanish chestnut are synonyms defined as:

Castanea sativa and Spanish chestnut: wild or cultivated throughout southern Europe, northwestern Africa and southwestern Asia

Other synonyms of Castanea sativa include European chestnut, sweet chestnut.

Castanea sativa (noun)	Spanish chestnut (noun)
wild or cultivated throughout southern Europe, northwestern Africa and southwestern Asia	wild or cultivated throughout southern Europe, northwestern Africa and southwestern Asia