dyestuff vs coloring material

dyestuff and coloring material both are nouns.

Word	Noun	Adjective	Verb	Adverb
dyestuff	Yes	No	No	No
coloring material	Yes	No	No	No

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

dyestuff: a usually soluble substance for staining or coloring e.g. fabrics or hair
coloring material: any material used for its color

Other hypernyms of dyestuff include color, colour, colouring material.

dyestuff (noun)	coloring material (noun)
a usually soluble substance for staining or coloring e.g. fabrics or hair	any material used for its color