| protection(noun, support, cover, position, guard) |
| shelter(noun, cover, position, guard, shield) |
| station |
| stockade(noun, cover, position, guard, shield) |
| support(noun, defense, fortification, cell, presidio) |
| wall(noun, cover, position, guard, shield) |
| acropolis(noun, hold, keep, fortification, cell) |
| armor(noun, cover, position, guard, shield) |
| barrier(noun, defense, fortification, barricade, wall) |
| base(noun, headquarters, quarters, barracks) |
| bastille(noun, cover, position, guard, shield) |
| command post(noun, expression, quarters, bunker, barracks) |
| confine(noun, verb, prison) |
| fasthold(noun, hold, keep, fortification, cell) |
| fence(noun, cover, position, guard, shield) |
| fixedness |
| gaol(noun, prison) |
| harbour |
| headquarters |
| jailhouse(noun, fortification, cell, presidio, prison) |