chickpea vs Cicer arietinum

chickpea and Cicer arietinum both are nouns.

Word	Noun	Adjective	Verb	Adverb
chickpea	Yes	No	No	No
Cicer arietinum	Yes	No	No	No

As nouns, chickpea and Cicer arietinum are synonyms defined as:

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

Other synonyms of chickpea include chickpea plant, Egyptian pea.

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