red gram vs cajan pea

red gram and cajan pea both are nouns.

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

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

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

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

red gram (noun)	cajan 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