Related by context. Frequent words. (Click for all words.) 70 icebreaker 53 ice breaker 49 submarines 48 warships 48 Arctic 48 ships 46 tugboats 46 Northwest Passage 45 vessels 45 submarine 44 Arctic Ocean 44 naval vessels 41 Barents Sea 41 navies 41 navy ships 40 cargo ships 40 subs 40 frigates 40 naval ships 40 container ships 39 Beaufort Sea 39 navy 39 Inuvik 39 warship 39 hovercraft 39 Arctic Sea 39 refit 39 frigate 39 merchant ships 38 Murmansk 38 icebergs 38 freighters 38 snowmobiles 37 ice floes 37 powered submarine 37 Chicoutimi 37 North Pole 37 lighthouses 37 militaries 36 BC Ferries 36 lifeboat 36 lifeboats 36 merchant vessels 36 ferries 36 Baltic Sea 36 Yellowknife 36 battleships 36 boats 36 arctic 36 sailors 36 destroyers 36 Coast Guard cutter 35 cruise ships 35 Iqaluit 35 vessel 35 pontoons 35 trawlers 35 ship 35 Inuit 35 aircraft carrier 35 tugboat 35 cruisers 34 Coast Guard 34 fleet 34 shipyards 34 nuclear reactors 34 mariners 34 polar bears 34 fishing boats 34 naval exercises 34 canoes 34 naval vessel 33 Antarctic 33 Bering Sea 33 tugs 33 polar 33 Antarctica 33 tankers 33 freighter 33 Antarctic Peninsula 33 Chukchi Sea 33 seas 33 Nunavut 33 homeport 33 rigs 33 reactors 33 Baffin Island 33 fighter jets 32 maritime 32 anti submarine warfare 32 dry dock 32 shipyard 32 barges 32 naval 32 shipping lanes 32 walruses 32 motorboats 32 sleds 32 schooner 32 satellites 32 voyages