pirate;  sea robber;  buccaneer;  freebooter
 foreign;  abroad;  overseas
 Hokkaido (island, prefectural-level administrative unit)
 sea level;  (surface of) sea
 bottom of the ocean;  seafloor;  seabed;  undersea;  submarine
 on the sea;  surface of the sea
 sea of trees;  broad expanse of dense woodland;  abundant leafage
 (sea) voyage;  navigation;  sailing;  passage;  cruise
 deep sea;  depths of the sea;  ocean depths
 beach;  seashore;  seaside;  coast
 ocean;  large sea;  fabric pattern
 sea god;  Poseidon;  Neptune;  sea;  ocean
 swimming in the ocean;  sea bathing;  seawater bath;  going for a dip in the ocean
 coastline;  shoreline;  coastal railway
 Tokaido (Edo-period Edo-Kyoto highway)
 (Russian) maritime provinces
 channel (e.g. between two land masses);  strait
 region south of Tokyo on Pacific Ocean side of Japan;  eastern sea;  East Sea (Korean name for Sea of Japan)
 Mediterranean Sea;  Mediterranean sea (oceanography)
 trip abroad;  overseas travel
 Marine Corps;  Royal Marines
 trunks;  shorts (e.g. seaside use)
 coastal waters;  adjacent seas
 swimming area (in the ocean);  swimming beach;  seawater baths
 marine plant;  seagrass;  seaweed
 human-wave tactics;  throwing people at a problem
 flowering crab apple (Malus halliana);  Kaido crab apple (Malus micromalus);  Chinese flowering apple (Malus spectabilis);  Siberian crab apple (Malus baccata);  aronia (flower)
 Seto Inland Sea;  Inland Sea
 maritime;  marine transportation
 coastal;  seaside;  oceanfront;  maritime
 beachfront park;  park by the sea
 tidal bore;  eagre;  rumbling noise that accompanies a tidal bore;  tsunami;  tidal wave
 northern sea;  North Sea;  Hokkaido
 artificial island city;  floating city
 cavernous body;  body of (genital) erectile tissue (incl. corpus cavernosum and corpus spongiosum)
 seahorse;  sea horse;  hippocampus;  walrus
 lower-grade officer rank (JMSDF)
 studying abroad;  studying overseas
 sea sand (sand collected from the ocean floor, as opposed to that which is used as an ingredient in concrete)
 coast;  shore;  inshore;  coastal waters
 Age of Discovery;  Age of Exploration
 Maritime Self Defense Forces (Defence)
 Japan Coast Guard (formerly Maritime Safety Agency)
 higher-grade officer rank (JMSDF)
 land, sea, and air;  army, navy and air force
 overseas assignment;  overseas posting
 marine life;  marine organism
 accident at sea;  maritime accident
 cuisine with fresh seafoods
 chief navigator;  navigating officer;  navigator;  sailing master
 first mate;  first officer
 marine product;  marine (e.g. product, animal etc.)
 below sea level;  undersea;  beneath the waves
 pirated edition;  pirated version;  bootleg copy
 the whole world;  the seven seas
 control of the sea;  command of the sea
 pirate flag;  black flag;  Jolly Roger
 sea cucumber (Holothuroidea spp.)
 blue sea;  blue expanse of water
 shipping industry;  marine transport
 Maritime Self-Defense Force
 sea level rise;  rise in sea level
 Mariana Trench (deepest part of the ocean, near the Mariana Islands)
 seamanship;  (the art of) navigation
 sea of people;  (very large) crowd of people
 oceanic noise;  rumbling of the sea;  mistpouffer
 land and sea;  army and navy
 coastal defense;  coastal defence
 all sorts of delicacies;  various unusual foods;  sumptuous feast
 accident at sea;  sea disaster;  shipwreck
 advance (e.g. of Japanese exports) into overseas markets
 island in the southern sea (esp. Shikoku)
 Tokai region of Honshu (incl. Aichi, Shizuoka, Mie and southern Gifu prefectures)
 ocean fish;  saltwater fish
 Kanmon Straits (between Honshu and Kyushu)
 marine traffic;  sea traffic
 true seal (animal);  earless seal
 undersea cable;  submarine cable
 overseas deployment (e.g. military forces);  overseas expansion (e.g. business operations)
 sweeping the sea for mines;  dragging for mines
 international trade;  foreign trade;  overseas trade
 foreign voyage;  travelling overseas;  travelling abroad
 marine transport;  carriage by sea
 Battle of Midway (June 1942)
 high seas;  international waters
 fifty-three stations on the Tōkaidō (Edo-Kyoto highway in Edo-period Japan)
 Saikaidō (alt. name for the Kyūshū region)
 overseas inspection;  tour of inspection abroad
 second mate;  second officer
 marines (former Japanese Navy)
 seafood hot pot;  seafood stew
 naval arsenal;  naval shipyard
 Nankaidō (alt. name for the Shikoku region)
 living abroad;  life overseas
 hardy begonia (Begonia grandis)
 deeply indented coastline;  rias coastline
 intrusion into territorial waters;  violation of territorial waters
 third mate;  third officer
 south coast;  southern shore
 sea rescue;  air-sea rescue;  ASR
 harbor;  entrance to a harbor
 Naval Battle off Malaya (December 10, 1941)
 Imperial Japanese Navy (1872-1945)
 deep ocean water;  deep-sea water
 the frog in the well knows nothing of the great ocean
 good things come to those who wait; (lit.) if you wait, there will come a fine day for taking the sea route
 foreign company;  overseas enterprise;  overseas firm
 overseas territory;  overseas possession
 ban on maritime activities during China's Ming and Qing dynasties
 marine pollution;  oceanic pollution;  sea pollution
 walrus (Odobenus rosmarus);  elephant seal (Mirounga spp.)
 sound of the sea;  sound of the waves;  sound of massed chanting of sutras, etc.
 overseas (a foreign) market
 offshoring;  overseas transfer (esp. of production)
 naval brigade;  naval land forces
 sea air;  sea breeze;  ocean and atmosphere;  type of yarn-dyed silk goods
 nautical table;  sailing chart
 Ivory Coast;  Côte d'Ivoire
 Navigation Acts (regulations of colonial trade in 17th century England)
 breakwater;  coast battery
 the open sky and the serene sea;  as open as the sky and serene as the sea;  magnanimous
 seabed probe;  probe of the ocean floor;  submarine prospecting
 overseas reporting;  covering a story abroad
 corpus cavernosum penis;  cavernous body of penis
 sea of suffering;  human realm
 spongiform;  spongelike;  spongy
 Vice-Admiral (Maritime Self-Defence Force of Japan) (defense)
 marine transportation routes
 Battle of the Philippine Sea (June 19-20, 1944)
 treaty of commerce and navigation
 cape;  headland;  promontory
 magnanimity;  forgiveness;  generosity
 Battle of Leyte Gulf (October 23-25, 1944)
 Tokai earthquake (e.g. of 1498, 1605, 1707 and 1854)
 marine;  maritime;  oceanic;  oceanity
 China Coast Guard;  maritime security;  coast guard
 totally useless (fruitless) effort;  wasting time on an impossible task (like trying to scoop up a reflected moon from the bottom of the sea)
 undersea cable (communications, power);  submarine cable
 Hokkaido dog;  dog breed native to Hokkaido
 goldfish with a shrimp-like tail;  head of a shamisen or lute (bent back like a shrimp's tail)
 (ocean) deep;  deepest part of a trench
 pirated CD, DVD, etc.;  bootleg (recording)
 unparalleled in the whole country
 marine meteorological observatory
 Japan Current;  Kuroshio Current
 marine west coast climate
 underwater observation tower
 Nankai megathrust earthquake
 law of the sea;  maritime law
 Tonankai earthquake of 1944
 marine industries;  maritime industry
 surrounding seas;  surrounded by the sea
 UN Convention on the Law of the Sea
 bovine spongiform encephalopathy;  BSE;  mad cow disease
 submarine valley;  submarine canyon
 Director General of Hokkaido Development Agency
 sea animal;  marine animal
 Okhotsk anticyclone;  Okhotsk high
 Maritime Traffic Safety Act (1973)
 Nankai megathrust earthquake
 overseas representative;  expatriate employee;  expatriate staff
 overseas department (administrative division of France)
 treaty of friendship, commerce and navigation
 lieutenant-commander (JMSDF)
 abyssal plain (2,200-5,500m)
 people in the whole world being all brothers;  universal brotherhood
 seamen's competency certificate
 sea-run variety (of fish)
 marine accident inquiry;  marine accident enquiry
 oceanographic observation
 the world is a scene of constant changes (as a mulberry field changing into a blue sea)
 Overseas Economic Cooperation Fund
 a drop in the ocean (bucket)
 (Japanese) children living overseas
 imperial navy order (detailed)
 drop in the bucket;  drop in the ocean; (lit.) one grain of millet in a vast ocean
 a drop in the ocean (bucket)
 maritime judicial scrivener;  marine procedure commission agent
 coastal climate;  littoral climate
 marine biology;  biological oceanography
 naval militia;  maritime militia
 marine biogeographic region
 military police brigade (navy)
 International Maritime Organization (Organisation);  IMO
 Oceanic Anoxic Event;  Ocean Anoxic Event;  OAE
 overseas travel life insurance
 trans-Neptunian object;  transneptunian object;  TNO
 Act on Preventing Collisions at Sea (1892)
 mid-ocean ridge;  midocean ridge
 sea level change;  eustatic change
 expanding abroad;  tapping overseas markets
 world of tathata; (fig.) the pure and absolute truth of the tathata is as wide as the sea
 reduction (of pressure) to mean sea level
 United Nations Convention on the Law of the Sea
 overseas risk information;  overseas danger warning
 Sino-Japanese Treaty of Commerce and Navigation (1896)
 marine archaeology;  underwater archaeology
 Pacific Standard Time;  PST
 ocean thermal energy conversion
 general average loss;  general average;  gross average
 corpus cavernosum clitoridis
 (treaty of) friendship, commerce and navigation
 wave-cut platform;  abrasion platform;  coastal bench
 person who argues that everything is better abroad (esp. football);  self-hating Japanese
 chemical oceanography;  marine chemistry
 transmissible spongiform encephalopathy;  TSE
 foreign direct investment;  FDI;  direct overseas investment
 fish found in coastal waters
 Kukai (name of a Buddhist priest)
 emergent coastline;  emerged shoreline;  negative shoreline;  shoreline of emergence
 the world is a scene of constant changes; (lit.) a mulberry field changes into a blue sea
 Chinese national who returned after study or work abroad
 swimming downstream (to the sea)
 submergent coastline;  submerged coast;  submerged shoreline
 hadal zone;  hadopelagic zone;  trench zone
 hexactinellid sponge;  glass sponge (any sponge of class Hexactinellida)
 ocean surveillance satellite
 bathyal zone;  midnight zone;  bathypelagic
 particular average;  particular average loss;  particular loss
 maritime patrol aircraft;  MPA
 inland sea;  epicontinental sea;  epeiric sea;  marginal sea
 Marine Accidents Inquiry Agency
 calcareous sponge (any sponge of class Calcarea)
 maritime authority;  marine office
 ocean floor;  sea floor;  seabed
 Convention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter (1972);  London Convention
 this world's sudden changes
 Yaeyama class minesweeper
 siliceous sponge (any sponge other than those of class Calcarea)
 the world is a scene of constant changes; (lit.) the blue sea turns into a mulberry field
 the world is a scene of constant changes (as a mulberry field changing into a blue sea)
 international order of the seas;  public order at sea
 Hall's crab apple;  flowering crab apple;  Malus halliana
 calla (Zantedcschia aethiopica)
 Steller's sea cow (Hydrodamalis gigas)
 Mediterranean monk seal (Monachus monachus)
 Mediterranean fruit fly (Ceratitis capitata);  medfly
 Hokkai shrimp (Pandalus latirostris)
 Malus spontanea (species of apple tree)
 sirenian (any aquatic mammal of order Sirenia, incl. manatees, and dugongs);  sea cow
 Persian carpet flatworm (Pseudobiceros bedfordi);  Bedford's flatworm
 calla lily (Zantedeschia aethiopica)
 Cirsium chokaiense (species of thistle)
 Rhododendron mucronulatum var. ciliatum (variety of azalea)
 seashore dweller;  fisherman;  sea god;  Poseidon;  Neptune