cherry bomb vs firecracker

cherry bomb and firecracker both are nouns.

Word	Noun	Adjective	Verb	Adverb
cherry bomb	Yes	No	No	No
firecracker	Yes	No	No	No

As nouns, firecracker is a hypernym of cherry bomb; that is, firecracker is a word with a broader meaning than cherry bomb:

cherry bomb: a red ball-shaped firecracker with high explosive power
firecracker: firework consisting of a small explosive charge and fuse in a heavy paper casing

Other hypernyms of cherry bomb include banger, cracker.

cherry bomb (noun)	firecracker (noun)
a red ball-shaped firecracker with high explosive power	firework consisting of a small explosive charge and fuse in a heavy paper casing