Related by context. Frequent words. (Click for all words.) 75 barriers 57 Barrier 50 fence 49 Barriers 48 hurdle 48 barricade 46 roadblocks 46 fences 46 roadblock 45 wall 45 obstacle 44 glass ceiling 42 obstacles 42 barricades 41 berm 41 stumbling block 40 brick wall 39 hurdles 38 retaining wall 38 impediments 38 impediment 37 chasm 37 bridge 37 walls 36 bottleneck 36 cordon 36 gate 36 threshold 36 gates 36 fencing 35 crossing 35 railing 35 levee 34 seawall 34 checkpoints 34 buffer zone 34 resistance 34 logjam 33 taboos 33 hindrance 32 barbed wire 32 buffer 32 obstructions 32 boundary 32 guardrail 32 Jackie Robinson 32 blockade 32 divider 32 Jewish settlers 31 separating 31 boundaries 31 walkway 31 settlements 31 mark 31 levees 31 gap 31 restriction 31 dam 31 moat 31 constraint 30 factor 30 causeway 30 Berlin Wall 30 firewalls 29 tunnel 29 firewall 29 impenetrable 29 crosses 29 crossings 29 marker 29 checkpoint 29 divides 29 gateway 28 bridging 28 window 28 pathway 28 shield 28 divide 28 railings 28 taboo 28 Jewish settlements 28 overpass 28 blocking 28 bottlenecks 28 thresholds 28 limitation 28 prerequisite 28 buffers 28 borders 27 dike 27 frontiers 27 scaffolding 27 pylon 27 Fence 27 protective 27 pillar 27 restraints 27 disadvantage 27 pedestrian bridge 27 psychologically 27 enclosure