Collocations for karate - noun

full-contact, Shotokan

do, practise/practice, study
teach
learn

suit
chop, kick, punch
technique
competition, tournament
class, lesson, practice, training
champion, expert, master, practitioner
black belt
a 34-year-old karate black belt

instructor, teacher

a black, etc. belt in karate
He's a black belt in karate.
She has a brown belt in karate.