slough vs exuviate

slough is a noun but exuviate is not a noun.

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

As verbs, slough and exuviate are synonyms defined as:

Other synonyms of slough include molt, moult, shed.

slough (noun)	exuviate (noun)
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

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