cackle vs chin music

cackle and chin music both are nouns.

Word	Noun	Adjective	Verb	Adverb
cackle	Yes	No	Yes	No
chin music	Yes	No	No	No

As nouns, chin music is a hyponym of cackle; that is, chin music is a word with a more specific, narrower meaning than cackle:

Other hyponyms of cackle include blether, idle talk, prate, prattle.

cackle (noun)	chin music (noun)
a loud laugh suggestive of a hen's cackle	idle or foolish and irrelevant talk
noisy talk
the sound made by a hen after laying an egg

cackle (verb)	chin music (verb)
emit a loud, unpleasant kind of laughing
squawk shrilly and loudly, characteristic of hens
talk or utter in a cackling manner
make a noise characteristic of a goose