Related by context. Frequent words. (Click for all words.) 49 Iceland volcanic ash 40 plume 39 Grimsvotn volcano 39 Iceland volcano 38 volcanic ash 37 ash cloud 35 Eyjafjallajökull 35 billowing 34 ash plume 34 Eyjafjallajokull volcano 33 thick plume 33 billowing clouds 33 volcanic ash cloud 33 plumes 33 shrinking 33 ash 33 dark clouds 33 acrid smoke 33 clouds 32 Eyjafjallajokull glacier 32 horizon 32 layoffs furloughs 32 looming 32 Grimsvotn 32 Volcanic ash 32 Icelandic volcano 31 billowed 31 Kilauea volcano 31 billow 31 erupting volcano 31 darkening skies 31 darkening 31 sooty 30 Plumes 30 smoke plumes 30 black smoke billowed 30 Readying 30 Transport Commissioner Siim 30 Faltering 30 Indonesia Mount Merapi 30 Braced 29 smoke 29 Cutbacks 29 airspace closures 29 eastwards 29 Thick smoke 29 smoke wafted 29 nightmare scenario 29 Unprepared 29 mushroom cloud 29 cutbacks 29 billows 29 eery 29 billowing smoke 28 Eyjafjallajokull 28 recession deepens 28 pall 28 Stagnant 28 weary 28 blue skies 28 Gloom 28 cloud 28 fallout 28 orange glow 28 skies darkened 28 By Norman Dabell 27 radioactive particles 27 eastward 27 Bitter cold 27 stagnant 27 volcanic gases 27 thunderclouds 27 Daunting 27 spewing ash 27 Indonesian volcano 27 Threat 27 layoffs 27 Wintry 27 cloudy sky 27 smoke billowing 27 Mount Redoubt 27 acrid smell 27 mist 27 soot 27 dust 27 Looming 27 thick plumes 27 thick haze 27 thinned 27 Europeâ 26 darkening sky 26 ash clouds 26 quandry 26 Shrinking 26 Rumblings 26 gray skies 26 ashen 26 collective sigh 26 wreathed 26 Lingering 26 volcanic