ball-buster vs woman

ball-buster and woman both are nouns.

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

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

Other hypernyms of ball-buster include adult female.

ball-buster (noun)	woman (noun)
a job or situation that is demanding and arduous and punishing	women as a class
a demanding woman who destroys men's confidence	an adult female person (as opposed to a man)
	a female person who plays a significant role (wife or mistress or girlfriend) in the life of a particular man