whizzbang vs whizbang shell

whizzbang and whizbang shell both are nouns.

Word	Noun	Adjective	Verb	Adverb
whizzbang	Yes	No	No	No
whizbang shell	Yes	No	No	No

As nouns, whizzbang and whizbang shell are synonyms defined as:

whizzbang and whizbang shell: a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits

Other synonyms of whizzbang include whizbang.

whizzbang (noun)	whizbang shell (noun)
a firecracker that (like the whizbang shell) makes a whizzing sound followed by a loud explosion	a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits
a small high-velocity shell; it makes a whizzing sound followed by a bang when it hits