splinter vs break away

splinter is a noun but break away is not a noun.

Word	Noun	Adjective	Verb	Adverb
splinter	Yes	No	Yes	No
break away	No	No	Yes	No

As verbs, splinter and break away are synonyms defined as:

Other synonyms of splinter include secede.

splinter (noun)	break away (noun)
a small thin sharp bit of wood or glass or metal

splinter (verb)	break away (verb)
break up into splinters or slivers	break off (a piece from a whole)
withdraw from an organization or communion	flee; take to one's heels; cut and run
divide into slivers or splinters	move away or escape suddenly
	withdraw from an organization or communion
	interrupt a continued activity