tidy sum vs torrent

tidy sum and torrent both are nouns.

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

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

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

tidy sum (noun)	torrent (noun)
(often followed by `of') a large number or amount or extent	a violently fast stream of water (or other liquid)
	a heavy rain
	an overwhelming number or amount