broad-bean plant vs field bean

broad-bean plant and field bean both are nouns.

Word	Noun	Adjective	Verb	Adverb
broad-bean plant	Yes	No	No	No
field bean	Yes	No	No	No

As nouns, broad-bean plant and field bean are synonyms defined as:

broad-bean plant and field bean: Old World upright plant grown especially for its large flat edible seeds but also as fodder

Other synonyms of broad-bean plant include broad-bean, broad bean, English bean, European bean, Vicia faba.

broad-bean plant (noun)	field bean (noun)
Old World upright plant grown especially for its large flat edible seeds but also as fodder	Old World upright plant grown especially for its large flat edible seeds but also as fodder