| battlement |
| blockhouse(noun, support, keep, defense, fortification) |
| breastwork(noun, support, keep, defense, fortification) |
| castle(noun, keep, defense, fortification, cell) |
| earthwork(noun, support, keep, defense, fortification) |
| entrenchment(noun, support, keep, defense, fortification) |
| fortification(noun, defense, cell, stronghold, presidio) |
| keep(noun, defense, fortification, cell, stronghold) |
| presidio(noun, support, keep, defense, fortification) |
| reinforced position |
| stronghold(noun, defense, fortification, cell, presidio) |
| support(noun, defense, fortification, cell, stronghold) |
| tower(noun, fortification, cell, stronghold, presidio) |
| acropolis(noun, fortification, cell, stronghold, presidio) |
| alcazar(noun, fortification, cell, stronghold, presidio) |
| alimony(noun, fortification, cell, stronghold, presidio) |
| antechamber(noun, fortification, cell, stronghold, presidio) |
| balustrade |
| bar |
| barbican(noun, fortification, cell, stronghold, presidio) |