Other hyponyms of jock include
acrobat,
amateur,
ball hawk,
ballplayer,
baseball player,
basketball player,
basketeer,
cager,
climber,
cricketer,
football player,
footballer,
goalie,
goalkeeper,
goaltender,
netkeeper,
netminder,
gymnast,
hockey player,
ice-hockey player,
hooker,
hurdler,
jumper,
lacrosse player,
letterman,
Olympian,
pentathlete,
pro,
professional,
runner,
sharpshooter,
shot putter,
skater,
skier,
sledder,
soccer player,
sport,
striker,
reserve,
substitute,
swimmer,
swinger,
tennis player,
pole jumper,
pole vaulter,
vaulter,
lifter,
weightlifter,
winger.