action
adventure
boat
boating
canoe
canoeing
canoeist
capsize
cataract
challenge
courage
courageous
current
danger
dangerous
daring
excitement
extreme
falling
foam
helmet
horizontal
kayak
kayaker
kayaking
keel over
man
nature
over
over keel
overturn
overturned
paddle
rapid
rapids
risk
river
rowing
speed
sport
sportsman
stream
strength
tourism
turn
upside down
violent
water
wave
whitewater