chomp vs peck

chomp and peck both are nouns.

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

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

Other hyponyms of chomp include munch, nibble, nip, pinch.

chomp (noun)	peck (noun)
the act of gripping or chewing off with the teeth and jaws	a light kiss
	bite by a bird
	(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

chomp (verb)	peck (verb)
chew noisily or vigorously	bother persistently with trivial complaints
	eat by pecking at, like a bird
	eat like a bird
	kiss lightly
	hit lightly with a picking motion