sieva bean vs civet bean

sieva bean and civet bean both are nouns.

Word	Noun	Adjective	Verb	Adverb
sieva bean	Yes	No	No	No
civet bean	Yes	No	No	No

As nouns, sieva bean and civet bean are synonyms defined as:

Other synonyms of sieva bean include butter bean, butterbean.

sieva bean (noun)	civet bean (noun)
small flat green bean similar to lima beans	small flat green bean similar to lima beans
bush bean plant cultivated especially in southern United States having small flat edible seeds