burster vs burst

burster and burst both are nouns.

Word	Noun	Adjective	Verb	Adverb
burster	Yes	No	No	No
burst	Yes	No	Yes	No

burster (noun)	burst (noun)
a quantity of explosive to be set off at one time	the act of exploding or bursting
	rapid simultaneous discharge of firearms
	a sudden flurry of activity (often for no obvious reason)
	a sudden intense happening

burster (verb)	burst (verb)
	come open suddenly and violently, as if from internal pressure
	break open or apart suddenly and forcefully
	emerge suddenly
	burst outward, usually with noise
	force out or release suddenly and often violently something pent up
	move suddenly, energetically, or violently
	cause to burst
	be in a state of movement or action