soot vs sooty

soot is a noun but sooty is not a noun.

Word	Noun	Adjective	Verb	Adverb
soot	Yes	No	Yes	No
sooty	No	Yes	No	No

soot (noun)	sooty (noun)
a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink

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

soot (verb)	sooty (verb)
coat with soot