Related by context. Frequent words. (Click for all words.) 54 ramparts 53 fortress 51 fortifications 50 citadel 50 bulwarks 48 fortresses 48 battlements 46 impregnable 46 citadels 45 bulwark 43 fortification 43 fort 43 monuments 43 impenetrable 42 Maginot Line 41 edifice 41 watchtowers 41 pyramids 41 stupa 40 watchtower 40 monument 40 promontory 40 redoubt 39 embankments 39 bastions 39 railing 39 sentry 38 garrisoned 38 granaries 38 palace 38 arch 38 earthen 38 castle 38 forts 38 barbed wire 37 turrets 37 Hadrian Wall 37 parapets 37 monolith 37 barbed wire fences 37 moat 37 cliffs 37 hilltops 37 barbed wires 37 barricade 37 bastion 37 edifices 36 balustrade 36 hillock 36 concertina wire 36 moats 36 fortified 36 despotism 36 ancient monuments 36 barrier 36 conquest 36 pillar 36 escarpment 36 barbarians 36 chasms 36 stockade 36 redoubts 36 walls 36 ruins 35 iron curtain 35 barricades 35 civilization 35 Great Wall 35 archway 35 sentries 35 pillars 35 façade 35 sentinels 35 impermeable 35 wall 35 tomb 35 gatehouse 35 portico 35 buttress 35 walled 35 ancient 35 hillocks 35 temple 35 obelisks 34 shrines 34 mounds 34 tombs 34 ancient ruins 34 fulcrum 34 terraces 34 emperors 34 Buddha statues 34 superstructure 34 monoliths 34 encroachments 34 hilltop 34 castles 34 ancient civilization 34 medieval castle 34 armies 34 berm