rattlebox vs crotalaria

rattlebox and crotalaria both are nouns.

Word	Noun	Adjective	Verb	Adverb
rattlebox	Yes	No	No	No
crotalaria	Yes	No	No	No

As nouns, rattlebox and crotalaria are synonyms defined as:

rattlebox and crotalaria: any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle; used for pasture and green-manure crops

rattlebox (noun)	crotalaria (noun)
any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle; used for pasture and green-manure crops	any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle; used for pasture and green-manure crops