raft vs torrent

raft and torrent both are nouns.

Word	Noun	Adjective	Verb	Adverb
raft	Yes	No	Yes	No
torrent	Yes	No	No	No

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

Other hyponyms of raft include deluge, flood, inundation, haymow.

raft (noun)	torrent (noun)
a flat float (usually made of logs or planks) that can be used for transport or as a platform for swimmers	a violently fast stream of water (or other liquid)
a foundation (usually on soft ground) consisting of an extended layer of reinforced concrete	a heavy rain
(often followed by `of') a large number or amount or extent	an overwhelming number or amount