As nouns the difference between finger and fist
is that
finger is (anatomy) one of the long extremities of the hand, sometimes excluding the thumb while
fist is the act of breaking wind; fise or
fist can be hand with the fingers clenched or curled inward.
As verbs the difference between finger and fist
is that
finger is to identify or point out ex:
put the finger on to report to or identify for the authorities, rat on, rat out, squeal on, tattle on, turn in, to finger while
fist is to break wind or
fist can be to strike with the fist.