buster vs kid

buster and kid both are nouns.

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

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

Other hypernyms of buster include child, fry, minor, nestling, nipper, shaver, small fry, tiddler, tike, tyke, youngster.

buster (noun)	kid (noun)
a person (or thing) that breaks up or overpowers something	young goat
a person who breaks horses	a young person of either sex
a robust child	a human offspring (son or daughter) of any age
an informal form of address for a man	soft smooth leather from the hide of a young goat
a person born in the generation following the baby boom when the birth rate fell dramatically

buster (verb)	kid (verb)
	be silly or tease one another
	tell false information to for fun