chip off vs exfoliate

chip off and exfoliate both are verbs.

Word	Noun	Adjective	Verb	Adverb
chip off	No	No	Yes	No
exfoliate	No	No	Yes	No

As verbs, exfoliate is a hyponym of chip off; that is, exfoliate is a word with a more specific, narrower meaning than chip off:

Other hyponyms of chip off include flake, flake off, peel, peel off.

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