sliver vs fragmentise

sliver is a noun but fragmentise is not a noun.

Word	Noun	Adjective	Verb	Adverb
sliver	Yes	No	Yes	No
fragmentise	No	No	Yes	No

As verbs, fragmentise is a hypernym of sliver; that is, fragmentise is a word with a broader meaning than sliver:

Other hypernyms of sliver include break up, fragment, fragmentize.

sliver (noun)	fragmentise (noun)
a thin fragment or slice (especially of wood) that has been shaved from something
a small thin sharp bit of wood or glass or metal

sliver (verb)	fragmentise (verb)
break up into splinters or slivers	break or cause to break into pieces
form into slivers
divide into slivers or splinters