Related by context. Frequent words. (Click for all words.) 49 waterway 49 fishable 46 impassable 45 waterways 45 accessible 45 floodplain 45 rivers 43 river 43 inaccessible 43 estuary 43 tributaries 42 Northwest Passage 42 watercourse 42 easily accessible 42 frontage 41 freshwater lake 41 lakes 41 riparian 41 impassible 41 landmass 41 dammed 41 isthmus 40 tributary 40 inland waterways 40 Dredging 40 dredging 39 buildable 39 lakes rivers 39 byway 39 flood plain 39 navigation 39 mud flats 39 inland lakes 39 traverse 39 recreational boaters 39 wetland 38 rivers lakes 38 floodway 38 shoreline 38 traversed 38 bisects 38 canals 38 basin 38 developable 37 Navigation 37 headwaters 37 dredged 37 polluted 37 wetlands 37 submerged 37 river basin 37 usable 37 boat ramps 37 navigate 37 lake 36 watercourses 36 traversing 36 floodplains 36 useable 36 readily accessible 36 canal 36 passable 36 unobstructed 36 searchable 36 river basins 36 stretches 36 Arctic Ocean 36 silt 36 traverses 36 drainage ditches 36 marshy 35 freshwater 35 sandbars 35 ecologically sensitive 35 dredge 35 mudflats 35 sediment 35 downriver 35 Scenic Byway 35 basins 35 whitewater 35 rapids 35 platted 35 scenic 34 Mississippi River 34 sloughs 34 contiguous 34 reachable 34 obstructions 34 meanders 34 crossings 34 meandering 34 Clean Water Act 34 creek 34 urbanized 34 walkable 34 damming 34 inhabitable 34 sedimentation 34 overland 34 accesses