Related by context. Frequent words. (Click for all words.) 53 oceangoing ships 50 ocean freighters 49 diked 49 mussel species 49 waterways 48 navigable rivers 47 Recreational anglers 46 creeks rivers 46 St. Lawrence Seaway 45 cargo ships 45 salties 45 seaway 45 sunken vessels 45 coastal waters 44 tules 44 rivers 44 waterway 44 Boundary Waters Treaty 44 dischargers 44 oceangoing vessels 44 intermittent streams 44 Great Lakes basin 44 fabled Northwest Passage 43 navigable waters 43 skimming boats 43 ballast water 43 navigable waterways 43 inlets 43 Recreational boaters 43 Welland Canal 43 shorelines 43 floes 43 seabeds 42 migrating whales 42 tidal rivers 42 longliners 42 ships 42 Calcasieu Ship Channel 42 trawl nets 42 lakes 42 seiners 42 spawning beds 42 rivers lakes 42 shallow bays 42 freshwater 42 trolling motors 42 bottomlands 42 inland waters 42 tributary streams 41 tributaries 41 Arctic archipelago 41 inland waterway 41 aquatic invertebrates 41 skimmer boats 41 Passamaquoddy Bay 41 toxic pollutants 41 gillnetters 41 wharfs 41 sunken barge 41 nearshore waters 41 upriver 41 oxbows 41 freighters 41 Atchafalaya River basin 41 Sea otters 41 purse seiners 41 Bream Good 41 migratory shorebirds 41 downriver 41 double hulled tankers 41 steamships 40 rubber dinghies 40 dredged material 40 Trent Severn Waterway 40 Lachine Canal 40 coastal estuaries 40 canals 40 gill netting 40 northern spotted owls 40 nonnative fish 40 barges 40 supertankers 40 impoundments 40 estuaries 40 cohos 40 Burrard Inlet 40 filter feeders 40 redds 40 tidal waters 40 TMDLs 40 lakes rivers 40 recreational boaters 40 bridge pilings 40 lakeshores 40 Minke whales 40 rookeries 40 recreational fishery 40 spawning habitat 39 infested waters 39 inland lakes 39 rivers creeks