carob bean vs algarroba bean

carob bean and algarroba bean both are nouns.

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

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

carob bean and algarroba bean: long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute

Other synonyms of carob bean include algarroba, carob, locust bean, locust pod.

carob bean (noun)	algarroba bean (noun)
long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute	long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute