Indian senna vs tinnevelly senna

Indian senna and tinnevelly senna both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indian senna	Yes	No	No	No
tinnevelly senna	Yes	No	No	No

As nouns, Indian senna and tinnevelly senna are synonyms defined as:

Indian senna and tinnevelly senna: erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia

Indian senna (noun)	tinnevelly senna (noun)
erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia	erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia