waterspout vs cloudburst

waterspout and cloudburst both are nouns.

Word	Noun	Adjective	Verb	Adverb
waterspout	Yes	No	No	No
cloudburst	Yes	No	No	No

As nouns, waterspout and cloudburst are synonyms defined as:

Other synonyms of waterspout include deluge, downpour, pelter, soaker, torrent.

waterspout (noun)	cloudburst (noun)
a channel through which water is discharged (especially one used for drainage from the gutters of a roof)	a heavy rain
a tornado passing over water and picking up a column of water and mist
a heavy rain