cutch vs tannin

cutch and tannin both are nouns.

Word	Noun	Adjective	Verb	Adverb
cutch	Yes	No	No	No
tannin	Yes	No	No	No

As nouns, tannin is a hypernym of cutch; that is, tannin is a word with a broader meaning than cutch:

cutch: tannin extract derived from any of several mangrove barks of Pacific areas
tannin: any of various complex phenolic substances of plant origin; used in tanning and in medicine

Other hypernyms of cutch include tannic acid.

cutch (noun)	tannin (noun)
tannin extract derived from any of several mangrove barks of Pacific areas	any of various complex phenolic substances of plant origin; used in tanning and in medicine