bluing vs dye

bluing and dye both are nouns.

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

As nouns, dye is a hypernym of bluing; that is, dye is a word with a broader meaning than bluing:

bluing: used to whiten laundry or hair or give it a bluish tinge
dye: a usually soluble substance for staining or coloring e.g. fabrics or hair

Other hypernyms of bluing include dyestuff.

bluing (noun)	dye (noun)
a process that makes something blue (or bluish)	a usually soluble substance for staining or coloring e.g. fabrics or hair
used to whiten laundry or hair or give it a bluish tinge

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