splinter vs flake

splinter and flake both are nouns.

Word	Noun	Adjective	Verb	Adverb
splinter	Yes	No	Yes	No
flake	Yes	No	Yes	No

As nouns, flake is a hypernym of splinter; that is, flake is a word with a broader meaning than splinter:

Other hypernyms of splinter include bit, chip, fleck, scrap.

splinter (noun)	flake (noun)
a small thin sharp bit of wood or glass or metal	a small fragment of something broken off from the whole
	a person with an unusual or odd personality
	a crystal of snow

splinter (verb)	flake (verb)
break up into splinters or slivers	come off in flakes or thin small pieces
withdraw from an organization or communion	cover with flakes or as if with flakes
divide into slivers or splinters	form into flakes