plenty vs inundation

plenty and inundation both are nouns.

Word	Noun	Adjective	Verb	Adverb
plenty	Yes	No	No	Yes
inundation	Yes	No	No	No

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

Other hyponyms of plenty include deluge, flood, torrent, haymow.

plenty (noun)	inundation (noun)
a full supply	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

plenty (adverb)	inundation (adverb)
as much as necessary