Center letter: h
Outer letter: a c e k m t
Answers (47):
  checkmate
  matchmake
  ache
  ahem
  attach
  attache
  cache
  cachet
  catch
  chat
  cheat
  check
  cheek
  cheetah
  each
  etch
  hack
  haka
  hake
  hamate
  hatch
  hatchet
  hate
  hath
  hatha
  heat
  heath
  heck
  heme
  ketch
  machete
  mahatma
  match
  matcha
  math
  meth
  tach
  teach
  tech
  teeth
  teethe
  that
  thatch
  thee
  them
  theme
  theta