angostura bark vs angostura

angostura bark and angostura both are nouns.

Word	Noun	Adjective	Verb	Adverb
angostura bark	Yes	No	No	No
angostura	Yes	No	No	No

As nouns, angostura bark and angostura are synonyms defined as:

angostura bark and angostura: the bitter bark of a South American tree; used in medicines and liqueurs and bitters

angostura bark (noun)	angostura (noun)
the bitter bark of a South American tree; used in medicines and liqueurs and bitters	the bitter bark of a South American tree; used in medicines and liqueurs and bitters