shit vs shart

shit is a noun but shart is not a noun.

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

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

Other hyponyms of shit include dung.

shit (noun)	shart (noun)
something of little value
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

shit (verb)	shart (verb)
have a bowel movement	to intend to release flatulence but actually defecate
give away information about somebody