tappa vs bark

tappa and bark both are nouns.

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

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

tappa: the thin fibrous bark of the paper mulberry and Pipturus albidus
bark: tough protective covering of the woody stems and roots of trees and other woody plants

tappa (noun)	bark (noun)
a paperlike cloth made in the South Pacific by pounding tapa bark	a sailing ship with 3 (or more) masts
the thin fibrous bark of the paper mulberry and Pipturus albidus	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