nip vs chomp

nip and chomp both are nouns.

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

As nouns, chomp is a hypernym of nip; that is, chomp is a word with a broader meaning than nip:

Other hypernyms of nip include clip, clipping, snip, bite.

nip (noun)	chomp (noun)
a small sharp bite or snip	the act of gripping or chewing off with the teeth and jaws
a tart spicy quality
the property of being moderately cold
the taste experience when a savoury condiment is taken into the mouth
a small drink of liquor

nip (verb)	chomp (verb)
squeeze tightly between the fingers	chew noisily or vigorously
sever or remove by pinching or snipping
give a small sharp bite to