ace
active
activity
athletics
background
ball
black
break
challenge
color
competition
concept
copy
court
dirt
earth
equipment
exercise
felt
game
green
hard court
hobby
horizontal
individual sport
league
leisure
line
net
netting
no
nobody
object
one
passion
play
point
professional
racket
recreation
serve
service
set
space
sport
strings
tenis
tennis
white
yellow