split vs splinter

split and splinter both are nouns.

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

As verbs, splinter is a hyponym of split; that is, splinter is a word with a more specific, narrower meaning than split:

As verbs, splinter is a hyponym of split; that is, splinter is a word with a more specific, narrower meaning than split:

split (noun)	splinter (noun)
division of a group into opposing factions	a small thin sharp bit of wood or glass or metal
the act of rending or ripping or splitting something
extending the legs at right angles to the trunk (one in front and the other in back)
an increase in the number of outstanding shares of a corporation without changing the shareholders' equity
(tenpin bowling) a divided formation of pins left standing after the first bowl
a dessert of sliced fruit and ice cream covered with whipped cream and cherries and nuts
an opening made forcibly as by pulling apart
a lengthwise crack in wood
a promised or claimed share of loot or money
a bottle containing half the usual amount

split (adjective)	splinter (adjective)
(especially of wood) cut or ripped longitudinally with the grain
having been divided; having the unity destroyed

split (verb)	splinter (verb)
come open suddenly and violently, as if from internal pressure	break up into splinters or slivers
separate or cut with a tool, such as a sharp instrument	withdraw from an organization or communion
go one's own way; move apart	divide into slivers or splinters
discontinue an association or relation; go different ways
separate into parts or portions