horsebean vs broad bean

horsebean and broad bean both are nouns.

Word	Noun	Adjective	Verb	Adverb
horsebean	Yes	No	No	No
broad bean	Yes	No	No	No

As nouns, horsebean and broad bean are synonyms defined as:

Other synonyms of horsebean include fava bean.

horsebean (noun)	broad bean (noun)
large shrub or shrubby tree having sharp spines and pinnate leaves with small deciduous leaflets and sweet-scented racemose yellow-orange flowers; grown as ornamentals or hedging or emergency food for livestock; tropical America but naturalized in southern United States	shell beans cooked as lima beans
seed of the broad-bean plant	a bean plant cultivated for use animal fodder
	Old World upright plant grown especially for its large flat edible seeds but also as fodder
	seed of the broad-bean plant