spate vs deluge

spate and deluge both are nouns.

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

As nouns, deluge is a hyponym of spate; that is, deluge is a word with a more specific, narrower meaning than spate:

Other hyponyms of spate include flood, inundation, torrent, haymow.

spate (noun)	deluge (noun)
the occurrence of a water flow resulting from sudden rain or melting snow	a heavy rain
a sudden forceful flow	the rising of a body of water and its overflowing onto normally dry land
(often followed by `of') a large number or amount or extent	an overwhelming number or amount

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