algarroba vs bean tree

algarroba and bean tree both are nouns.

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

As nouns, bean tree is a hypernym of algarroba; that is, bean tree is a word with a broader meaning than algarroba:

algarroba: evergreen Mediterranean tree with edible pods; the biblical carob
bean tree: any of several trees having seedpods as fruits

algarroba (noun)	bean tree (noun)
evergreen Mediterranean tree with edible pods; the biblical carob	any of several trees having seedpods as fruits
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