burster vs bursting charge

burster and bursting charge both are nouns.

Word	Noun	Adjective	Verb	Adverb
burster	Yes	No	No	No
bursting charge	Yes	No	No	No

As nouns, burster and bursting charge are synonyms defined as:

burster and bursting charge: a quantity of explosive to be set off at one time

Other synonyms of burster include charge, explosive charge.

burster (noun)	bursting charge (noun)
a quantity of explosive to be set off at one time	a quantity of explosive to be set off at one time