1) Danish girl name 2) Estonian feminine given name 3) Feminine given name 4) Great 5) Icelandic feminine given name 6) Marathon legend waitz 7) Marathon star Waitz 8) Marathoner waitz 9) Norwegian feminine given name 10) Norwegian marathoner Waitz 11) Runner Waitz 12) Swedish feminine given name Found on https://www.crosswordclues.com/clue/grete