chickpea plant vs chickpea

chickpea plant and chickpea both are nouns.

Word	Noun	Adjective	Verb	Adverb
chickpea plant	Yes	No	No	No
chickpea	Yes	No	No	No

As nouns, chickpea plant and chickpea are synonyms defined as:

chickpea plant and chickpea: Asiatic herb cultivated for its short pods with one or two edible seeds

Other synonyms of chickpea plant include Cicer arietinum, Egyptian pea.

chickpea plant (noun)	chickpea (noun)
Asiatic herb cultivated for its short pods with one or two edible seeds	large white roundish Asiatic legume; usually dried
	Asiatic herb cultivated for its short pods with one or two edible seeds
	the seed of the chickpea plant