breakable vs splintery

breakable is a noun but splintery is not a noun.

Word	Noun	Adjective	Verb	Adverb
breakable	Yes	Yes	No	No
splintery	No	Yes	No	No

breakable (noun)	splintery (noun)
an article that is fragile and easily broken

breakable (adjective)	splintery (adjective)
capable of being broken or damaged	resembling or consisting of or embedded with long slender fragments of (especially) wood having sharp points
	subject to breaking into sharp slender pieces