splinter vs scrap

splinter and scrap both are nouns.

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

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

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

splinter (noun)	scrap (noun)
a small thin sharp bit of wood or glass or metal	the act of fighting; any contest or struggle
	a small piece of something that is left over after the rest has been used
	a small fragment of something broken off from the whole
	worthless material that is to be disposed of

splinter (verb)	scrap (verb)
break up into splinters or slivers	make into scrap or refuse
withdraw from an organization or communion	have a disagreement over something
divide into slivers or splinters	dispose of (something useless or old)