chit vs young lady

chit and young lady both are nouns.

Word	Noun	Adjective	Verb	Adverb
chit	Yes	No	No	No
young lady	Yes	No	No	No

As nouns, young lady is a hypernym of chit; that is, young lady is a word with a broader meaning than chit:

Other hypernyms of chit include fille, girl, miss, missy, young woman.

chit (noun)	young lady (noun)
the bill in a restaurant	a young female
a dismissive term for a girl who is immature or who lacks respect