tapa bark vs tappa bark

tapa bark and tappa bark both are nouns.

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

As nouns, tapa bark and tappa bark are synonyms defined as:

tapa bark and tappa bark: the thin fibrous bark of the paper mulberry and Pipturus albidus

Other synonyms of tapa bark include tapa, tappa.

tapa bark (noun)	tappa bark (noun)
the thin fibrous bark of the paper mulberry and Pipturus albidus	the thin fibrous bark of the paper mulberry and Pipturus albidus