clout vs biff

clout and biff both are nouns.

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

As nouns, clout and biff are synonyms defined as:

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

clout (noun)	biff (noun)
(boxing) a blow with the fist	(boxing) a blow with the fist
a short nail with a flat head; used to attach sheet metal to wood
special advantage or influence
a target used in archery

clout (verb)	biff (verb)
strike hard, especially with the fist	strike, usually with the fist