saffranine vs dyestuff

saffranine and dyestuff both are nouns.

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

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

saffranine: any of a class of chiefly red organic dyes
dyestuff: a usually soluble substance for staining or coloring e.g. fabrics or hair

Other hypernyms of saffranine include dye.

saffranine (noun)	dyestuff (noun)
any of a class of chiefly red organic dyes	a usually soluble substance for staining or coloring e.g. fabrics or hair