fragment vs brecciate

fragment is a noun but brecciate is not a noun.

Word	Noun	Adjective	Verb	Adverb
fragment	Yes	No	Yes	No
brecciate	No	No	Yes	No

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

Other hyponyms of fragment include atomise, atomize, bray, comminute, crunch, grind, mash, pound, sunder, sliver, splinter, rag, crumb, crush, grate, grind.

fragment (noun)	brecciate (noun)
a broken piece of a brittle artifact
an incomplete piece
a piece broken off or cut off of something else

fragment (verb)	brecciate (verb)
break or cause to break into pieces	break into breccia
	form into breccia