Center letter: i
Outer letter: a c d l t w
Answers (46):
  wildcat
  acacia
  acai
  acid
  acidic
  addict
  alit
  atilt
  attic
  await
  cacti
  cattail
  cicada
  cilia
  dial
  dicta
  didact
  didactic
  dill
  iliac
  illicit
  italic
  lactic
  laic
  laical
  laid
  licit
  lilac
  lilt
  tacit
  tactic
  tactical
  tail
  tali
  tallit
  tidal
  till
  tilt
  twilit
  twill
  twit
  wail
  wait
  wild
  will
  wilt