throw away vs moult

throw away is not a noun while moult is a noun.

Word	Noun	Adjective	Verb	Adverb
throw away	No	No	Yes	No
moult	Yes	No	Yes	No

As verbs, moult is a hyponym of throw away; that is, moult is a word with a more specific, narrower meaning than throw away:

Other hyponyms of throw away include exuviate, molt, shed, slough, abscise, exfoliate, autotomise, autotomize.

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

throw away (verb)	moult (verb)
to remove	cast off hair, skin, horn, or feathers
throw or cast away