fragment vs cinder

fragment and cinder both are nouns.

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

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

fragment: a piece broken off or cut off of something else
cinder: a fragment of incombustible matter left after a wood or coal or charcoal fire

fragment (noun)	cinder (noun)
a broken piece of a brittle artifact	a fragment of incombustible matter left after a wood or coal or charcoal fire
an incomplete piece
a piece broken off or cut off of something else

fragment (verb)	cinder (verb)
break or cause to break into pieces