dejection vs faecal matter

dejection and faecal matter both are nouns.

Word	Noun	Adjective	Verb	Adverb
dejection	Yes	No	No	No
faecal matter	Yes	No	No	No

As nouns, dejection and faecal matter are synonyms defined as:

dejection and faecal matter: solid excretory product evacuated from the bowels

Other synonyms of dejection include BM, faeces, fecal matter, feces, ordure, stool.

dejection (noun)	faecal matter (noun)
a state of melancholy depression	solid excretory product evacuated from the bowels
solid excretory product evacuated from the bowels