marten cat vs sable

marten cat and sable both are nouns.

Word	Noun	Adjective	Verb	Adverb
marten cat	Yes	No	No	No
sable	Yes	Yes	No	No

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

marten cat: agile slender-bodied arboreal mustelids somewhat larger than weasels
sable: marten of northern Asian forests having luxuriant dark brown fur

marten cat (noun)	sable (noun)
agile slender-bodied arboreal mustelids somewhat larger than weasels	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

marten cat (adjective)	sable (adjective)
	of a dark somewhat brownish black