indigotin vs dyestuff

indigotin and dyestuff both are nouns.

Word	Noun	Adjective	Verb	Adverb
indigotin	Yes	No	No	No
dyestuff	Yes	No	No	No

As nouns, dyestuff is a hypernym of indigotin; that is, dyestuff is a word with a broader meaning than indigotin:

indigotin: a blue dye obtained from plants or made synthetically
dyestuff: a usually soluble substance for staining or coloring e.g. fabrics or hair

Other hypernyms of indigotin include dye.

indigotin (noun)	dyestuff (noun)
a blue dye obtained from plants or made synthetically	a usually soluble substance for staining or coloring e.g. fabrics or hair