sloughing vs slough

sloughing and slough both are nouns.

Word	Noun	Adjective	Verb	Adverb
sloughing	Yes	No	No	No
slough	Yes	No	Yes	No

sloughing (noun)	slough (noun)
the process whereby something is shed	any outer covering that can be shed or cast off (such as the cast-off skin of a snake)
	necrotic tissue; a mortified or gangrenous part or mass
	a stagnant swamp (especially as part of a bayou)
	a hollow filled with mud

sloughing (verb)	slough (verb)
	cast off hair, skin, horn, or feathers