dyestuff vs dye

dyestuff and dye both are nouns.

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

As nouns, dyestuff and dye are synonyms defined as:

dyestuff and dye: a usually soluble substance for staining or coloring e.g. fabrics or hair

dyestuff (noun)	dye (noun)
a usually soluble substance for staining or coloring e.g. fabrics or hair	a usually soluble substance for staining or coloring e.g. fabrics or hair

dyestuff (verb)	dye (verb)
	color with dye
	color for microscopic study