Spanish chestnut vs Castanea sativa

Spanish chestnut and Castanea sativa both are nouns.

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

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

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

Other synonyms of Spanish chestnut include European chestnut, sweet chestnut.

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