cowpea vs black-eyed pea

cowpea and black-eyed pea both are nouns.

Word	Noun	Adjective	Verb	Adverb
cowpea	Yes	No	No	No
black-eyed pea	Yes	No	No	No

As nouns, cowpea and black-eyed pea are synonyms defined as:

As nouns, cowpea and black-eyed pea are synonyms defined as:

cowpea and black-eyed pea: sprawling Old World annual cultivated especially in southern United States for food and forage and green manure

Other synonyms of cowpea include cowpea plant, Vigna sinensis, Vigna unguiculata.

As nouns, cowpea and black-eyed pea are synonyms defined as:

cowpea (noun)	black-eyed pea (noun)
eaten fresh as shell beans or dried	eaten fresh as shell beans or dried
sprawling Old World annual cultivated especially in southern United States for food and forage and green manure	sprawling Old World annual cultivated especially in southern United States for food and forage and green manure
fruit or seed of the cowpea plant	fruit or seed of the cowpea plant