Related by context. Frequent words. (Click for all words.) 38 fortifications 37 archeological 37 archaeological 34 excavations 31 buttresses 31 fortification 31 foundational 31 buttress 30 inscriptions 30 earthworks 30 fortify 29 settlers 28 earthen 28 archeological sites 28 tunnels 28 archaeological sites 27 berms 27 underground tunnels 27 reinforce 27 walls 27 refute 27 watchtower 26 fortified 26 retaining walls 26 unsupported 26 justify 26 fortifying 26 substantiates 26 breakwaters 25 reinforcing 25 tombs 25 caves 25 embankments 25 delegitimize 25 stockade 25 reseal 25 stonework 25 forts 25 contradict 25 underground bunkers 25 contextualize 25 contradicts 25 poke holes 24 hilltops 24 army 24 delineate 24 reinforced 24 repel 24 tendentious 24 impregnable 24 substantiate 24 buttressing 24 ironwork 24 construct 24 affirm 24 harden 24 countervailing 24 justifies 24 erect 24 justifying 24 reconstruct 23 irrefutable 23 undercuts 23 validate 23 buttressed 23 incontrovertible 23 underpin 23 Hadrian Wall 23 purify 23 undercut 23 resist 23 armored vehicles 23 undermine 23 obviate 23 formulate 22 liberate 22 mobilize 22 obliterate 22 sturdier 22 casts doubt 22 authenticate 22 bolster 22 destroy 22 disprove 22 strengthen 22 rededicate 22 dismantle 22 substantiating 22 evidences 22 disavow 22 expedite 22 bolstering 22 sanctify 22 fort 22 porous 22 sandbags 21 bolsters 21 cement 21 disabuse 21 compel 21 rewire