| mound(noun, pile, guard, defense, stack) |
| barrier(noun, support, block, bar, protection) |
| bank(noun, block, rise, bar, level) |
| dam |
| levee(noun, block, bar, edge, side) |
| rampart(noun, support, cover, position, block) |
| wall(noun, cover, position, block, bar) |
| breakwater(noun, refuge, barrier, dock, ridge) |
| hill(noun, rise, level, pile, guard) |
| bulwark(noun, support, cover, position, block) |
| dike(noun, cover, position, block, guard) |
| heap(pile, stack, bank) |
| earthwork(noun, fortification, wall, bulwark, rampart) |
| harbor(noun, place, refuge, dock, port) |
| jetty(noun, refuge, barrier, dock, port) |
| parapet(noun, support, cover, position, block) |
| pier(noun, refuge, dock, port, mole) |
| anchorage(noun, refuge, dock, port, wharf) |
| barrage(block, bank, barrier, dam) |
| weir |