peck vs inundation

peck and inundation both are nouns.

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

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

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

peck (noun)	inundation (noun)
a light kiss	the rising of a body of water and its overflowing onto normally dry land
bite by a bird	an overwhelming number or amount
(often followed by `of') a large number or amount or extent
a United States dry measure equal to 8 quarts or 537.605 cubic inches
a British imperial capacity measure (liquid or dry) equal to 2 gallons

peck (verb)	inundation (verb)
bother persistently with trivial complaints
eat by pecking at, like a bird
eat like a bird
kiss lightly
hit lightly with a picking motion