Cajanus cajan vs pigeon pea

Cajanus cajan and pigeon pea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cajanus cajan	Yes	No	No	No
pigeon pea	Yes	No	No	No

As nouns, Cajanus cajan and pigeon pea are synonyms defined as:

Cajanus cajan and pigeon pea: tropical woody herb with showy yellow flowers and flat pods; much cultivated in the tropics

Other synonyms of Cajanus cajan include cajan pea, catjang pea, dahl, dhal, pigeon-pea plant, red gram.

Cajanus cajan (noun)	pigeon pea (noun)
tropical woody herb with showy yellow flowers and flat pods; much cultivated in the tropics	small highly nutritious seed of the tropical pigeon-pea plant
	tropical woody herb with showy yellow flowers and flat pods; much cultivated in the tropics