Center letter: p
Outer letter: a c d e k n
Answers (62):
  kneecapped
  pancaked
  apace
  aped
  apnea
  append
  appended
  canape
  cape
  caped
  capped
  dapped
  deadpan
  deadpanned
  deep
  deepen
  deepened
  depend
  depended
  dependence
  epee
  kappa
  keep
  kneecap
  kneepad
  nape
  napped
  neap
  pace
  paced
  pack
  packed
  padded
  paean
  panacea
  pancake
  panda
  pandan
  pane
  paned
  panned
  papa
  peace
  peak
  peaked
  pecan
  peck
  pecked
  peed
  peek
  peeked
  peen
  peep
  peeped
  peke
  penance
  pence
  pend
  pended
  penne
  penned
  pepped