Answer:
swell
a rising and falling movement of the surface of the sea
deck
any of various platforms built into a vessel
hydrography
the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation
outboard
located away from the midline of a vessel or aircraft
starboard
right side of a ship or aircraft to someone facing the bow
navigation
the guidance of ships or airplanes from place to place
submerge
fill or cover completely, usually with water
porthole
a window in a ship or airplane
hatch
a movable barrier covering an entran
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