Related by context. Frequent words. (Click for all words.) 59 glacier 57 glaciers 54 meltwater 53 lake 52 caldera 51 moraine 50 freshwater lake 50 mountain glaciers 50 lakes 49 lava flows 48 beaver dam 48 melting glaciers 48 wetland 47 Tibetan Plateau 47 glacial 47 volcanism 47 Glaciers 46 Himalayan glaciers 46 crater rim 46 rivers 46 volcanic 45 lava 45 Himalayas 45 freshwater lakes 44 lakebed 44 glaciation 44 lava flow 44 river valleys 44 landforms 44 glacial ice 44 mountain peaks 44 streambed 44 volcanoes 44 riverbed 43 algal bloom 43 grasslands 43 sediment 43 sedimentation 43 ponds 43 river 43 waterfall 43 Lake Turkana 43 headwaters 43 dormant volcano 42 rock outcroppings 42 aspen trees 42 dam 42 tributary 42 wetlands 42 waterfalls 42 karst 42 siltation 42 Greenland ice 42 snowpacks 42 volcano 42 watercourse 41 silt 41 reservoir 41 gullies 41 mountain ranges 41 basalt 41 crags 41 rock formations 41 basin 41 geologic 41 fjord 41 valley 41 pyroclastic flows 41 escarpment 41 lagoons 41 snow melt 41 sand dune 41 sediments 40 molten rock 40 active volcanoes 40 permafrost 40 birdlife 40 snowmelt 40 mudflows 40 manmade lake 40 Tibetan plateau 40 rock outcropping 40 aspens 40 buttes 40 volcanic activity 40 weir 40 river basin 40 treeline 40 crater 40 lagoon 40 extinct volcano 40 Himalayan mountains 40 valleys 40 meadows 40 rice terraces 40 floodplain 40 hot springs 40 seismicity 40 lava dome 40 magma 40 lowland