abstract
blue
bright
buoy
circle
color
cool
danger
device
emergency
float
fun
help
inflatable
leisure
life
lifebuoy
lifeguard
lifesaver
nobody
object
play
pool
preserver
relaxation
rescue
resort
ring
ripple
round
rubber
safety
save
saver
security
sos
summer
sun
sunlight
surface
swim
swimming
toy
transparent
tube
vacations
vibrant
water
wave
yellow