As nouns the difference between fisticuff and boxing
is that
fisticuff is (rare) a fistfight while
boxing is (sports) a sport where two opponents punch each other with gloved fists, the object being to score more points by the end of the match or by knockout, or technical knockout or
boxing can be material used for making boxes or casing.
As verbs the difference between fisticuff and boxing
is that
fisticuff is (chiefly|humorous) to engage in a physical fight while
boxing is or
boxing can be .