| fence(noun, verb, cover, position, block) |
| wall(noun, verb, cover, position, block) |
| barricade(noun, cover, position, block, bar) |
| barrier(noun, bar, defense, obstruction, fortification) |
| stockade(noun, cover, position, block, bar) |
| bulwark(noun, cover, position, block, bar) |
| dike(noun, cover, position, block, bar) |
| cliff(noun, peak, elevation, bluff, fortification) |
| bluff(noun, peak, elevation, fortification, cliff) |
| defense(noun, cover, block, bar, guard) |
| pale(noun, standard, upright, stake, pole) |
| paling(noun, block, bar, pale, defense) |
| surround |
| enclosure(noun, fortification) |
| stake(noun, standard, upright, pale, pole) |
| picket(noun, standard, upright, pale, post) |
| rampart(noun, cover, position, block, bar) |
| bar(noun, obstruction, prison, blockade, divider) |
| crag(noun, volcano, pile, peak, elevation) |
| fortification(noun, cover, position, block, bar) |