horse bean vs fodder

horse bean and fodder both are nouns.

Word	Noun	Adjective	Verb	Adverb
horse bean	Yes	No	No	No
fodder	Yes	No	Yes	No

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

horse bean: a bean plant cultivated for use animal fodder
fodder: coarse food (especially for livestock) composed of entire plants or the leaves and stalks of a cereal crop

horse bean (noun)	fodder (noun)
a bean plant cultivated for use animal fodder	coarse food (especially for livestock) composed of entire plants or the leaves and stalks of a cereal crop
	soldiers who are regarded as expendable in the face of artillery fire

horse bean (verb)	fodder (verb)
	give fodder (to domesticated animals)