Center letter: d
Outer letter: a i m n o t
Answers (42):
  admonition
  damnation
  dominant
  domination
  intimidation
  nondominant
  adamant
  addition
  adman
  admin
  admit
  amid
  dammit
  damn
  data
  diamond
  diatom
  dino
  dint
  ditto
  dodo
  domain
  dominion
  domino
  donation
  doodad
  doom
  idiom
  idiot
  madam
  madman
  maid
  midi
  mind
  monad
  mondo
  mood
  nada
  naiad
  nomad
  timid
  toad