Related by context. Frequent words. (Click for all words.) 70 tunneled 52 tunneling 46 tunnel 45 tunnels 45 dug 44 crawled 41 burrowed 40 burrow 40 burrowing 39 Tunnels 39 passageways 38 drainpipe 38 trench 38 concreted 38 slithered 37 dungeon 37 underground 37 emplaced 37 #.#km [001] 37 Tunneling 37 underground tunnels 36 subterranean 36 digging tunnels 36 crawling 36 trapped 35 wire mesh 35 sneaked 35 excavated 35 dynamited 35 slither 35 perimeter fence 34 cycled 34 dungeons 34 underpass 34 warren 34 digger 34 knifed 34 mineshaft 34 winched 33 ventilation shaft 33 shunted 33 burrows 33 passageway 33 herded 33 sectioned 33 ducts 33 Trapped 33 barricaded 33 infiltrated 33 snuck 33 9km 33 dragged 33 bulldozed 33 penetrated 32 cavern 32 disused 32 undergrowth 32 digging 32 constructed 32 escaped 32 crawl 32 smuggle 32 mined 32 excavate 32 barbed wire fences 32 carved 32 bricked 32 1km 32 dig 32 clamber 31 dank 31 sneaking 31 parachuted 31 clawed 31 crevices 31 escaping 31 3km 31 hid 31 4km 31 rescued 31 Channel Tunnel 31 infiltrate 31 trundle 31 peering 31 encircled 31 fenced 31 hiding 31 buried 31 plowed 31 fortifications 31 stormed 31 carpark 30 5km 30 overbridge 30 holed 30 conscripted 30 labyrinth 30 scraped 30 funneled 30 smuggled 30 holes drilled