scrap vs fragment

scrap and fragment both are nouns.

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

As nouns, fragment is a hypernym of scrap; that is, fragment is a word with a broader meaning than scrap:

scrap (noun)	fragment (noun)
the act of fighting; any contest or struggle	a broken piece of a brittle artifact
a small piece of something that is left over after the rest has been used	an incomplete piece
a small fragment of something broken off from the whole	a piece broken off or cut off of something else
worthless material that is to be disposed of

scrap (verb)	fragment (verb)
make into scrap or refuse	break or cause to break into pieces
have a disagreement over something
dispose of (something useless or old)