Senna auriculata vs Cassia auriculata

Senna auriculata and Cassia auriculata both are nouns.

Word	Noun	Adjective	Verb	Adverb
Senna auriculata	Yes	No	No	No
Cassia auriculata	Yes	No	No	No

As nouns, Senna auriculata and Cassia auriculata are synonyms defined as:

Senna auriculata and Cassia auriculata: evergreen Indian shrub with vivid yellow flowers whose bark is used in tanning; sometimes placed in genus Cassia

Other synonyms of Senna auriculata include avaram, tanner's cassia.

Senna auriculata (noun)	Cassia auriculata (noun)
evergreen Indian shrub with vivid yellow flowers whose bark is used in tanning; sometimes placed in genus Cassia	evergreen Indian shrub with vivid yellow flowers whose bark is used in tanning; sometimes placed in genus Cassia