ecdysis vs moult

ecdysis and moult both are nouns.

Word	Noun	Adjective	Verb	Adverb
ecdysis	Yes	No	No	No
moult	Yes	No	Yes	No

As nouns, ecdysis and moult are synonyms defined as:

ecdysis and moult: periodic shedding of the cuticle in arthropods or the outer skin in reptiles

Other synonyms of ecdysis include molt, molting, moulting.

ecdysis (noun)	moult (noun)
periodic shedding of the cuticle in arthropods or the outer skin in reptiles	periodic shedding of the cuticle in arthropods or the outer skin in reptiles

ecdysis (verb)	moult (verb)
	cast off hair, skin, horn, or feathers