Center letter: a
Outer letter: c d e i m y
Answers (57):
  immediacy
  acacia
  academe
  academia
  academic
  academy
  acai
  accede
  acceded
  aced
  acid
  acidic
  acidy
  acme
  added
  aide
  aided
  aimed
  amid
  caddie
  caddied
  caddy
  came
  cami
  cicada
  daddy
  dame
  dammed
  dead
  deadeye
  decade
  decay
  decayed
  diadem
  dyad
  edamame
  edema
  idea
  imam
  macadam
  macadamia
  mace
  maced
  madam
  madame
  made
  maid
  maim
  maimed
  mama
  mamma
  mayday
  mead
  mecca
  media
  mica
  midday