angostura bark vs bark

angostura bark and bark both are nouns.

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

As nouns, bark is a hypernym of angostura bark; that is, bark is a word with a broader meaning than angostura bark:

angostura bark: the bitter bark of a South American tree; used in medicines and liqueurs and bitters
bark: tough protective covering of the woody stems and roots of trees and other woody plants

angostura bark (noun)	bark (noun)
the bitter bark of a South American tree; used in medicines and liqueurs and bitters	a sailing ship with 3 (or more) masts
	the sound made by a dog
	a noise resembling the bark of a dog
	tough protective covering of the woody stems and roots of trees and other woody plants