crotalaria vs rattlebox

crotalaria and rattlebox both are nouns.

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

As nouns, crotalaria and rattlebox are synonyms defined as:

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

crotalaria (noun)	rattlebox (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