Related by context. Frequent words. (Click for all words.) 53 Chernobyl reactor 52 coffer dam 51 concrete footings 51 cofferdam 50 Chernobyl 50 Chornobyl 50 earthen wall 49 sarcophagus 49 reinforced concrete 48 reactor cores 48 masonry walls 48 earthen embankment 48 Fukushima reactors 48 retaining wall 47 roadbed 47 reactor 47 concrete piers 47 Fukushima Daiichi plant 47 cement slab 47 encasement 47 Ignalina 46 Fukushima plant 46 entombing 46 dry casks 46 bridge abutments 46 steel trusses 46 roadbeds 46 earthen dams 46 containment vessel 45 tailings dam 45 radioactive fuel rods 45 flame trench 45 reactors 45 entomb 44 drainage pipes 44 red sludge 44 overheating reactors 44 grouted 44 Kozloduy 44 retaining walls 44 revetment 44 Fukushima Daiichi Nuclear 44 Fukushima Daiichi 44 Fukushima Dai Ichi 44 vitrification plant 44 reactor containment 43 slurry wall 43 fuel rods 43 Milltown Dam 43 earthen dike 43 sludge reservoir 43 tailings impoundment 43 overheated reactors 43 drainage culvert 43 dam spillway 43 NRU reactor 43 concrete 42 culvert 42 containment dome 42 earthen 42 spent fuel rods 42 encase 42 Dai ichi complex 42 clapboards 42 flume 42 penstock 42 structurally unsafe 42 uranium fuel rods 42 concrete culvert 42 trench 41 steel girder 41 crippled Fukushima Daiichi 41 Flamanville 41 earthen berm 41 Concrete barriers 41 adobe walls 41 Fukushima Nuclear 41 abutment 41 Demolition crews 41 caissons 41 Kolontar 41 steel girders 41 encasing 41 embankments 41 rotting wood 41 Mayak 41 sewer pipes 41 rusting 41 dry cask storage 41 Sayano Shushenskaya 40 seawall 40 concrete slab 40 brick chimney 40 reinforcing rods 40 clay tile 40 viaduct 40 Chernobyl disaster 40 VVER 40 masonry 40 Daiichi plant 40 berm