carob tree vs algarroba

carob tree and algarroba both are nouns.

Word	Noun	Adjective	Verb	Adverb
carob tree	Yes	No	No	No
algarroba	Yes	No	No	No

As nouns, carob tree and algarroba are synonyms defined as:

carob tree and algarroba: evergreen Mediterranean tree with edible pods; the biblical carob

Other synonyms of carob tree include carob, carob bean tree, Ceratonia siliqua.

carob tree (noun)	algarroba (noun)
evergreen Mediterranean tree with edible pods; the biblical carob	evergreen Mediterranean tree with edible pods; the biblical carob
	mesquite of Gulf Coast and Caribbean Islands from Mexico to Venezuela
	long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute
	mesquite pod used in tanning and dyeing