detritus vs debris

detritus and debris both are nouns.

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

As nouns, detritus and debris are synonyms defined as:

detritus and debris: the remains of something that has been destroyed or broken up

Other synonyms of detritus include dust, junk, rubble.

detritus (noun)	debris (noun)
the remains of something that has been destroyed or broken up	the remains of something that has been destroyed or broken up
loose material (stone fragments and silt etc) that is worn away from rocks