faecal matter vs dejection

faecal matter and dejection both are nouns.

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

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

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

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

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