moult vs molt

moult and molt both are nouns.

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

As nouns, moult and molt are synonyms defined as:

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

Other synonyms of moult include ecdysis, molting, moulting.

As verbs, moult and molt are synonyms defined as:

Other synonyms of moult include exuviate, shed, slough.

moult (noun)	molt (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

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