inkiness vs sable

inkiness and sable both are nouns.

Word	Noun	Adjective	Verb	Adverb
inkiness	Yes	No	No	No
sable	Yes	Yes	No	No

As nouns, sable is a hyponym of inkiness; that is, sable is a word with a more specific, narrower meaning than inkiness:

inkiness: the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)
sable: a very dark black

Other hyponyms of inkiness include coal black, ebony, jet black, pitch black, soot black.

inkiness (noun)	sable (noun)
the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)	marten of northern Asian forests having luxuriant dark brown fur
	a scarf (or trimming) made of sable
	an artist's brush made of sable hairs
	a very dark black
	the expensive dark brown fur of the marten

inkiness (adjective)	sable (adjective)
	of a dark somewhat brownish black