jab vs punch

jab and punch both are nouns.

Word	Noun	Adjective	Verb	Adverb
jab	Yes	No	Yes	No
punch	Yes	No	Yes	No

As nouns, punch is a hypernym of jab; that is, punch is a word with a broader meaning than jab:

Other hypernyms of jab include biff, clout, lick, poke, slug.

jab (noun)	punch (noun)
a quick short straight punch	(boxing) a blow with the fist
a sharp hand gesture (resembling a blow)	a tool for making holes or indentations
the act of touching someone suddenly with your finger or elbow	an iced mixed drink usually containing alcohol and prepared for multiple servings; normally served in a punch bowl

jab (verb)	punch (verb)
poke or thrust abruptly	deliver a quick blow to
strike or punch with quick and short blows	make a hole into or between, as for ease of separation
stab or pierce	drive forcibly as if by a punch