Cajanus cajan vs pigeon-pea plant

Cajanus cajan and pigeon-pea plant both are nouns.

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

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

Cajanus cajan and pigeon-pea plant: 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, red gram.

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