- 2Betekenis: fortressfortification castle fort stronghold citadel
- 3Betekenis: castlefortification citadel fort stronghold fortress
- 4Betekenis: fortfortification post stronghold garrison
- 5Betekenis: buildingfortress fortification citadelfort stronghold castle
- 6Betekenis: wallrailing rampart fortification barrierelevation fence palisade parapet
- 7Betekenis: bulwarkgarrison castle trenchbastion citadel fortification
- 8Betekenis: military basebase bunker fort fortification installation