Related by context. Frequent words. (Click for all words.) 66 crevices 54 crevasse 51 ledge 51 boulder 48 canyon 48 cavern 45 creek bed 44 burrow 44 cavity 44 cave 44 nook 44 boulders 44 cranny 44 ravine 44 tree trunk 44 doorway 43 mountainside 43 puddle 43 crannies 43 burrows 43 manhole 43 trench 42 mine shaft 42 shaft 42 pebble 41 canyons 41 wedged 41 passageways 41 burrowing 41 rocks 40 underneath 40 hillside 40 creek 40 gully 40 keyhole 40 pores 40 nooks 40 ledges 40 crater 40 hole 40 sleeping bag 40 stairwell 39 floorboards 39 gorge 39 gullies 39 floorboard 39 ridges 39 tree trunks 39 tree stump 39 caves 39 slab 38 sinkhole 38 steep slope 38 steep terrain 38 ravines 38 cavities 38 hut 38 bushes 38 cracks 38 tub 38 drainage pipe 38 indentation 38 confined spaces 37 quicksand 37 grate 37 riverbed 37 fissure 37 drainage ditch 37 cliff 37 centimeter 37 skylight 37 inner tube 37 doorways 37 hollows 37 divot 37 jungle 37 alcove 37 nothingness 37 mud 37 capsule 36 feet 36 fingernail 36 gorges 36 stairway 36 thickets 36 chasm 36 nozzle 36 wall 36 embankment 36 nostrils 36 trunk 36 squished 36 labyrinth 36 staircase 36 sand trap 36 sand dune 36 manhole cover 36 orifice 36 eaves 36 underbrush 35 jagged