tidy sum vs deluge

tidy sum and deluge both are nouns.

Word	Noun	Adjective	Verb	Adverb
tidy sum	Yes	No	No	No
deluge	Yes	No	Yes	No

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

Other hyponyms of tidy sum include flood, inundation, torrent, haymow.

tidy sum (noun)	deluge (noun)
(often followed by `of') a large number or amount or extent	a heavy rain
	the rising of a body of water and its overflowing onto normally dry land
	an overwhelming number or amount

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