algarroba vs carob tree

algarroba and carob tree both are nouns.

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

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

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

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

algarroba (noun)	carob tree (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