cascarilla bark vs eleuthera bark

cascarilla bark and eleuthera bark both are nouns.

Word	Noun	Adjective	Verb	Adverb
cascarilla bark	Yes	No	No	No
eleuthera bark	Yes	No	No	No

As nouns, cascarilla bark and eleuthera bark are synonyms defined as:

cascarilla bark and eleuthera bark: aromatic bark of cascarilla; used as a tonic and for making incense

Other synonyms of cascarilla bark include sweetwood bark.

cascarilla bark (noun)	eleuthera bark (noun)
aromatic bark of cascarilla; used as a tonic and for making incense	aromatic bark of cascarilla; used as a tonic and for making incense