assist
assistance
black
blue
boat
bow
cargo
coast
coastline
cruise
danish
denmark
flag
freight
harbor
help
industrial
industry
marine
maritime
mast
nautical
navigate
navigation
ocean
offshore
port
power
powerful
pulling
pushing
recovery
red
rescue
river
salvage
sea
seaboard
seaport
ship
shipping
shipping company
shore
strong
support
tow
tow away
towing
tractor
trade
trading
traffic
transport
transportation
tug
tugboat
vessel
voyage
water
waves