aid
anchored
beacon
blue
border
buoy
calm
caution
cell
channel
color
conduct
copyspace
danger
fairway
float
floatation
green
guard
guide
help
lateral
lighting
limit
limitation
marine
maritime
mark
marker
navigable
navigate
navigation
navigational
ocean
orientation
pointed
port
portside
post
save
sea
ship
signal
solar
starboard
stationary
ton
vessel
water
waterway