shedding vs ecdysis

shedding and ecdysis both are nouns.

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

As nouns, ecdysis is a hyponym of shedding; that is, ecdysis is a word with a more specific, narrower meaning than shedding:

shedding: the process whereby something is shed
ecdysis: periodic shedding of the cuticle in arthropods or the outer skin in reptiles

Other hyponyms of shedding include abscission, molt, molting, moult, moulting.

shedding (noun)	ecdysis (noun)
loss of bits of outer skin by peeling or shedding or coming off in scales	periodic shedding of the cuticle in arthropods or the outer skin in reptiles
the process whereby something is shed