jet-black vs sooty

jet-black and sooty both are adjectives.

Word	Noun	Adjective	Verb	Adverb
jet-black	No	Yes	No	No
sooty	No	Yes	No	No

As adjectives, jet-black and sooty are synonyms defined as:

jet-black and sooty: of the blackest black; similar to the color of jet or coal

Other synonyms of jet-black include coal-black, jet, pitchy.

jet-black (adjective)	sooty (adjective)
of the blackest black; similar to the color of jet or coal	of the blackest black; similar to the color of jet or coal
	covered with or as if with soot