Synonyms for Molt (same or very similar meaning)
WordNet sense 1 (periodic shedding of the cuticle in arthropods or the outer skin in reptiles):
ecdysis, molting, moult, moulting
WordNet sense 2 (cast off hair, skin, horn, or feathers):
shed, slough, exuviate, slough
From the ODE community, based on WordNet
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