Center letter: a
Outer letter: c d e k l o
Answers (60):
  cloaked
  deadlock
  deadlocked
  accede
  acceded
  accolade
  aced
  added
  addle
  addled
  alack
  allele
  aloe
  cacao
  cackle
  cackled
  cake
  caked
  call
  calla
  callaloo
  called
  clack
  clacked
  clad
  clade
  cloaca
  cloak
  coal
  coca
  cockade
  cocoa
  coda
  cola
  dale
  dead
  deal
  decade
  decal
  doodad
  kale
  koala
  kola
  lace
  laced
  lack
  lacked
  lade
  laded
  ladle
  ladled
  lake
  lead
  leaded
  leak
  leaked
  load
  loaded
  local
  locale