cutch vs tannic acid

cutch and tannic acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
cutch	Yes	No	No	No
tannic acid	Yes	No	No	No

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

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

Other hypernyms of cutch include tannin.

cutch (noun)	tannic acid (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