carob bean tree vs Ceratonia siliqua

carob bean tree and Ceratonia siliqua both are nouns.

Word	Noun	Adjective	Verb	Adverb
carob bean tree	Yes	No	No	No
Ceratonia siliqua	Yes	No	No	No

As nouns, carob bean tree and Ceratonia siliqua are synonyms defined as:

carob bean tree and Ceratonia siliqua: evergreen Mediterranean tree with edible pods; the biblical carob

Other synonyms of carob bean tree include algarroba, carob, carob tree.

carob bean tree (noun)	Ceratonia siliqua (noun)
evergreen Mediterranean tree with edible pods; the biblical carob	evergreen Mediterranean tree with edible pods; the biblical carob