Collocations for boxing - noun

heavyweight, lightweight, middleweight, welterweight, etc.
amateur, professional, unlicensed
Unlicensed boxing can be very dangerous.

world
the most respected coach in world boxing

kick, Thai
shadow (usually shadow-boxing) (= boxing with an imaginary opponent)
The two candidates engaged in shadow-boxing before the election. (figurative)

do
He does boxing in his spare time.

glove
boot (BrE), shoe (AmE)
competition, match, tournament
title
champion
ring
skill, technique
coach, promoter
career
fan
writer
circles
He is highly respected in boxing circles.