ball-buster vs chore

ball-buster and chore both are nouns.

Word	Noun	Adjective	Verb	Adverb
ball-buster	Yes	No	No	No
chore	Yes	No	No	No

As nouns, chore is a hypernym of ball-buster; that is, chore is a word with a broader meaning than ball-buster:

ball-buster: a job or situation that is demanding and arduous and punishing
chore: a specific piece of work required to be done as a duty or for a specific fee

Other hypernyms of ball-buster include job, task.

ball-buster (noun)	chore (noun)
a job or situation that is demanding and arduous and punishing	a specific piece of work required to be done as a duty or for a specific fee
a demanding woman who destroys men's confidence