scrap vs detritus

scrap and detritus both are nouns.

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

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

Other hyponyms of scrap include scrap metal, debris, dust, junk, rubble, litter.

scrap (noun)	detritus (noun)
the act of fighting; any contest or struggle	the remains of something that has been destroyed or broken up
a small piece of something that is left over after the rest has been used	loose material (stone fragments and silt etc) that is worn away from rocks
a small fragment of something broken off from the whole
worthless material that is to be disposed of

scrap (verb)	detritus (verb)
make into scrap or refuse
have a disagreement over something
dispose of (something useless or old)