"''Donjon''" . . "donjon" . "''donjon''" . "Bergfried" . "residential tower" . . "tower" . "a keep" . "Bergfrit" . . "donjons" . "mast tower" . "Donjon Tower" . . "central donjon" . . "Norman keep" . "donjon keeps" . . "great keep" . "heart of the castle" . "Keep" . . "homage tower" . "Keep" . "keep or donjon" . "castle keep" . . "mastio" . . "a donjon, (a keep)" . "Mastio" . . "Donjon" . . "keep-and-bailey" . "tours" . "Honmaru" . . "central tower" . . . "keep" . . . "main keep" . . "keep-gatehouse" . . . "central round tower" . . . "keep tower" . . "keeps" . . . "gatehouse keep" . . "great tower" . . "hall-keep" . "keep's" . "Great Tower" . . . .