shit vs dejection

shit and dejection both are nouns.

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

As nouns, dejection is a hypernym of shit; that is, dejection is a word with a broader meaning than shit:

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

shit (noun)	dejection (noun)
something of little value	a state of melancholy depression
Obscene word for unacceptable behavior	solid excretory product evacuated from the bowels
insulting terms of address for people who are stupid or irritating or ridiculous
a coarse term for defecation
a small worthless amount
obscene terms for feces

shit (verb)	dejection (verb)
have a bowel movement
give away information about somebody