fleck vs exfoliation

fleck and exfoliation both are nouns.

Word	Noun	Adjective	Verb	Adverb
fleck	Yes	No	Yes	No
exfoliation	Yes	No	No	No

As nouns, exfoliation is a hyponym of fleck; that is, exfoliation is a word with a more specific, narrower meaning than fleck:

fleck: a small fragment of something broken off from the whole
exfoliation: a thin flake of dead epidermis shed from the surface of the skin

Other hyponyms of fleck include matchwood, scale, scurf, scurf, sliver, splinter.

fleck (noun)	exfoliation (noun)
a small contrasting part of something	a thin flake of dead epidermis shed from the surface of the skin
a small fragment of something broken off from the whole	the peeling off in flakes or scales of bark or dead skin

fleck (verb)	exfoliation (verb)
make a spot or mark onto