salvo vs burst

salvo and burst both are nouns.

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

As nouns, salvo and burst are synonyms defined as:

Other synonyms of salvo include fusillade, volley.

As nouns, burst is a hypernym of salvo; that is, burst is a word with a broader meaning than salvo:

salvo: an outburst resembling the discharge of firearms or the release of bombs
burst: a sudden intense happening

Other hypernyms of salvo include flare-up, outburst.

salvo (noun)	burst (noun)
rapid simultaneous discharge of firearms	the act of exploding or bursting
a sudden outburst of cheers	rapid simultaneous discharge of firearms
an outburst resembling the discharge of firearms or the release of bombs	a sudden flurry of activity (often for no obvious reason)
	a sudden intense happening

salvo (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