Cajanus cajan vs red gram

Cajanus cajan and red gram both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cajanus cajan	Yes	No	No	No
red gram	Yes	No	No	No

As nouns, Cajanus cajan and red gram are synonyms defined as:

Cajanus cajan and red gram: 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, pigeon pea.

Cajanus cajan (noun)	red gram (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