mountain vs deluge

mountain and deluge both are nouns.

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

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

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

mountain (noun)	deluge (noun)
a land mass that projects well above its surroundings; higher than a hill	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

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