exfoliate vs throw away

exfoliate and throw away both are verbs.

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

As verbs, throw away is a hypernym of exfoliate; that is, throw away is a word with a broader meaning than exfoliate:

Other hypernyms of exfoliate include cast, cast off, drop, shake off, shed, throw, throw off.

exfoliate (verb)	throw away (verb)
grow by producing or unfolding leaves	to remove
cast off in scales, laminae, or splinters	throw or cast away
remove the surface, in scales or laminae
spread by opening the leaves of
come off in a very thin piece