Center letter: m
Outer letter: a c d e h t
Answers (56):
  matched
  academe
  acme
  ahem
  came
  dame
  dammed
  deem
  deemed
  edamame
  edema
  emcee
  emceed
  hamate
  hammed
  heme
  hemmed
  macadam
  mace
  maced
  machete
  madam
  madame
  made
  mahatma
  mama
  mamma
  match
  matcha
  mate
  mated
  math
  matte
  matted
  mead
  meat
  meathead
  mecca
  meet
  meme
  memed
  meta
  metadata
  mete
  meted
  meth
  tame
  tamed
  team
  teamed
  teammate
  teem
  teemed
  them
  theme
  themed