sword bean vs Canavalia gladiata

sword bean and Canavalia gladiata both are nouns.

Word	Noun	Adjective	Verb	Adverb
sword bean	Yes	No	No	No
Canavalia gladiata	Yes	No	No	No

As nouns, sword bean and Canavalia gladiata are synonyms defined as:

sword bean and Canavalia gladiata: twining tropical Old World plant bearing long pods usually with red or brown beans; long cultivated in Orient for food

sword bean (noun)	Canavalia gladiata (noun)
twining tropical Old World plant bearing long pods usually with red or brown beans; long cultivated in Orient for food	twining tropical Old World plant bearing long pods usually with red or brown beans; long cultivated in Orient for food