explosive charge vs burster

explosive charge and burster both are nouns.

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

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

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

Other synonyms of explosive charge include bursting charge, charge.

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