Related by context. Frequent words. (Click for all words.) 65 fortresses 63 citadel 57 impregnable 56 castle 54 fortifications 53 fort 49 ramparts 48 Fortress 48 walled 47 fortified 46 castles 46 forts 46 palace 45 edifice 45 lair 44 outpost 44 monolith 44 impenetrable 44 stronghold 43 warren 43 dungeon 43 garrison 43 palatial 42 turrets 42 hilltop 42 watchtower 41 barbarians 41 manor house 41 domed 40 moat 40 tourist attraction 40 ringed 40 enclave 40 underground bunker 40 bastion 40 igloo 40 cathedral 40 palaces 39 oasis 39 siege mentality 39 abode 39 bastions 39 edifices 39 hill overlooking 38 medieval 38 invincible 38 graveyard 38 heavily guarded 38 madhouse 38 entranceway 38 wasteland 37 garrisons 37 watchtowers 37 World Heritage Site 37 walls 37 hideaway 37 Heritage Site 37 stone 37 mausoleum 37 dank 37 barbarian 37 monastery 37 encircled 37 barrack 37 laid siege 37 dome 37 octagonal 37 strongholds 36 windowless 36 heavily fortified 36 besieged 36 brick walls 36 catacombs 36 marauders 36 fiefdom 36 sentry 36 manor 36 domes 36 cathedrals 36 Taj Mahal 36 mansion 36 mighty 36 siege 36 stately 36 temple 36 bunkers 35 shrine 35 gateway 35 encampment 35 fortification 35 barracks 35 invulnerable 35 hunting lodge 35 barricading 35 conquerors 35 armory 35 hermit 35 brick 35 portico 35 archway 35 beachhead