biff vs punch

biff and punch both are nouns.

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

As nouns, biff and punch are synonyms defined as:

Other synonyms of biff include clout, lick, poke, slug.

biff (noun)	punch (noun)
(boxing) a blow with the fist	(boxing) a blow with the fist
	a tool for making holes or indentations
	an iced mixed drink usually containing alcohol and prepared for multiple servings; normally served in a punch bowl

biff (verb)	punch (verb)
strike, usually with the fist	deliver a quick blow to
	make a hole into or between, as for ease of separation
	drive forcibly as if by a punch