Related by context. Frequent words. (Click for all words.) 67 inland waterways 62 waterway 61 waterways 54 canals 53 canal 52 estuary 50 rivers 48 Erie Canal 47 rivers lakes 46 navigable 46 St. Lawrence Seaway 46 river 45 Waterways 45 Panama Canal 45 rail freight 45 lakes 44 waterfronts 44 interstate highway 44 Mississippi River 43 shoreline 43 freshwater lake 43 recreational boating 43 tributaries 42 ports 42 lakes rivers 42 docks 42 recreational boaters 42 railroads 42 highways 42 tributary 41 river basin 41 seaports 41 Waterway 41 shorelines 41 estuaries 41 inland 41 shipping lanes 40 maritime 40 freight 40 overland 40 dredging 40 Cape Fear River 40 dredged 40 seaport 40 coastline 40 causeway 40 headwaters 40 rail 40 interstate highways 40 greenways 39 upstream 39 freshwater 39 ballast water 39 bike paths 39 creeks 39 watersheds 39 dams 39 Canal 39 container terminals 39 wharves 39 intermodal 39 mud flats 39 marinas 39 river basins 39 riverine 39 eastern seaboard 38 lake 38 Dredging 38 Intracoastal Waterway 38 downriver 38 harbor 38 lagoons 38 coastlines 38 cargo ships 38 Maumee River 38 basin 38 Susquehanna River 38 Potomac River 38 marshes 38 creek 38 shippers 38 backwaters 38 corridor 38 watershed 37 downstream 37 aqueduct 37 Ship Channel 37 marsh 37 Mekong River 37 bikeway 37 port 37 expressway 37 watercourses 37 scenic 37 container ships 37 piers 37 waterfront 37 inlets 37 towpath 37 riverfront 37 strait