buster vs disparagement

buster and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
buster	Yes	No	No	No
disparagement	Yes	No	No	No

buster (noun)	disparagement (noun)
a person (or thing) that breaks up or overpowers something	the act of speaking contemptuously of
a person who breaks horses	a communication that belittles somebody or something
a robust child
an informal form of address for a man
a person born in the generation following the baby boom when the birth rate fell dramatically