dejection vs shit

dejection and shit both are nouns.

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

As nouns, shit is a hyponym of dejection; that is, shit is a word with a more specific, narrower meaning than dejection:

Other hyponyms of dejection include dog do, dog shit, dog turd, doggy do, crap, dirt, poop, shite, turd, droppings, dung, muck, meconium, melaena, melena.

dejection (noun)	shit (noun)
a state of melancholy depression	something of little value
solid excretory product evacuated from the bowels	Obscene word for unacceptable behavior
	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

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