broad-bean vs broad-bean plant

broad-bean and broad-bean plant both are nouns.

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

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

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

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

broad-bean (noun)	broad-bean plant (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