Rugby
acrobatics
acrobatism
agonistics
amusement
association football
bathing
breather
calisthenics
diversion
drill
entertainment
exercise
exercising
games
gymnastic exercises
gymnastics
isometrics
natation
palaestra
pastime
physical education
physical jerks
practice
recreation
rugger
setting-up exercises
soccer
sports
stretch
swimming
track
track and field
tumbling
workout
yoga
extracurricular activity
Dianetics
aesthetics
anesthetics
asthmatics
cognetics
cosmetics
diabetics
dianetics
diuretics
esthetics
genetics
kinetics
magnetics
metics
phonetics
prosthetics
synthetics