breakwater, groin, groyne, mole, bulwark, seawall, jetty
['ashcan, trash can, garbage can, wastebin, ash bin, ash-bin, ashbin, dustbin, trash barrel, trash bin', 'missile', 'boathouse', 'puck, hockey puck', 'ladle', 'lighter, light, igniter, ignitor', 'gar, garfish, garpike, billfish, Lepisosteus osseus']