dejection vs feces

dejection and feces both are nouns.

Word	Noun	Adjective	Verb	Adverb
dejection	Yes	No	No	No
feces	Yes	No	No	No

As nouns, dejection and feces are synonyms defined as:

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

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