downpour vs deluge

downpour and deluge both are nouns.

Word	Noun	Adjective	Verb	Adverb
downpour	Yes	No	No	No
deluge	Yes	No	Yes	No

As nouns, downpour and deluge are synonyms defined as:

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

downpour (noun)	deluge (noun)
a heavy rain	a heavy rain
	the rising of a body of water and its overflowing onto normally dry land
	an overwhelming number or amount

downpour (verb)	deluge (verb)
	fill or cover completely, usually with water
	charge someone with too many tasks
	fill quickly beyond capacity; as with a liquid