tab vs chit

tab and chit both are nouns.

Word	Noun	Adjective	Verb	Adverb
tab	Yes	No	No	No
chit	Yes	No	No	No

As nouns, tab and chit are synonyms defined as:

Other synonyms of tab include check.

tab (noun)	chit (noun)
a dose of medicine in the form of a small pellet	the bill in a restaurant
a short strip of material attached to or projecting from something in order to facilitate opening or identifying or handling it	a dismissive term for a girl who is immature or who lacks respect
the key on a typewriter or a word processor that causes a tabulation
the bill in a restaurant
sensationalist journalism