deluge vs tidy sum

deluge and tidy sum both are nouns.

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

As nouns, tidy sum is a hypernym of deluge; that is, tidy sum is a word with a broader meaning than deluge:

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

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