Related by context. Frequent words. (Click for all words.) 55 Winnenden 55 Kauhajoki 54 Saari 53 Auvinen 51 Columbine massacre 50 Columbine High 49 Erfurt 45 Columbine shootings 44 Kretschmer 43 Columbine 41 Platte Canyon High 41 Persson 41 Vanhanen 41 Weise 41 Sjoberg 40 Dylan Klebold 39 gunman Seung Hui Cho 39 Talovic 39 Dahlstrom 38 Westroads Mall 38 Wegener 38 shooting rampage 38 Jeff Weise 38 Kazmierczak 38 Krenz 38 Hengel 37 Dunblane 37 Hofland 37 Henriksen 37 Mayerthorpe 37 Engstrom 37 Seung Hui Cho 36 Littleton Colo. 36 Falkenberg 36 shooting spree 36 powered rifle 35 Beslan 34 Lindahl 34 Willert 34 Delorme 34 Cho Seung Hui 34 Mathisen 34 Frazee 34 Mauser 34 Torkelson 34 Trolley Square 33 gunman 33 Knutson 33 Helmke 33 shootings 33 Swedish 33 Ronning 33 Lindh 33 Johannsen 33 Gunderson 33 Willers 32 Ulrich 32 Dahl 32 Cho 32 Soule 32 Fonder 32 Koopman 32 Krueger 32 Steen 32 Englund 32 Strandberg 32 Lee Loughner 32 Meier 32 Gustafson 32 Schober 32 Berg 31 Kristiansen 31 Fredrickson 31 Lindberg 31 Reimer 31 Christiansen 31 Hinz 31 Schreier 31 Gaiser 30 handguns 30 Benke 30 Lange 30 Klebold 30 black trench coat 30 Christenson 30 lone gunman 30 Steger 30 student Seung Hui 30 Arvada Colo. 30 Goetz 30 Goepfert 30 Guenther 30 Bartsch 30 Markelov 30 Freund 30 Erickson 30 Hagen 30 Henning 29 room schoolhouse 29 Aplington Parkersburg High 29 Fortuyn