heap vs deluge

heap and deluge both are nouns.

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

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

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

heap (noun)	deluge (noun)
a car that is old and unreliable	a heavy rain
a collection of objects laid on top of each other	the rising of a body of water and its overflowing onto normally dry land
(often followed by `of') a large number or amount or extent	an overwhelming number or amount

heap (verb)	deluge (verb)
fill to overflow	fill or cover completely, usually with water
arrange in stacks	charge someone with too many tasks
bestow in large quantities	fill quickly beyond capacity; as with a liquid