Related by context. Frequent words. (Click for all words.) 49 tunneling 44 tunnels 44 crawled 40 burrowed 40 trench 38 burrowing 38 passageways 36 dug 36 underground tunnels 36 burrow 35 tunnel 35 routed 35 crawling 34 underground 34 excavated 34 penetrated 34 subterranean 33 wire mesh 33 barbed wire fence 33 crawl 33 burrows 33 perimeter fence 33 concrete slabs 33 walls 32 manhole 32 passageway 32 traverse 32 crevices 32 infiltrated 32 warren 32 ravine 32 funneled 31 Peering 31 funnel 31 slithered 31 crevice 31 digging 31 peering 31 herded 30 reinforced concrete 30 culvert 30 walkway 30 drainage ditch 30 skylight 30 plowed 30 Trapped 30 excavating 30 razor wire 30 concrete slab 30 creek bed 30 rerouted 30 transported 29 buried 29 archway 29 rotted 29 bolted 29 entombed 29 cavern 29 excavate 29 encircled 29 pierced 29 floorboards 29 sewer pipes 29 paved 29 pried 29 hurtled 29 partway 29 sneaked 29 fortifications 29 routing 29 secreted 29 maze 29 pipe 28 slither 28 trudging 28 funnels 28 compacted 28 connects 28 fence 28 walkways 28 barbed wire 28 overran 28 fused 28 infiltrating 28 overpass 28 trapped 28 snuck 28 streamed 27 navigated 27 beneath 27 arches 27 traversed 27 constructed 27 suffocated 27 retaining wall 27 roof 27 operated 27 clambered 27 ledge 27 culverts 27 scraped