Center letter: h
Outer letter: a c e g l n
Answers (27):
  challenge
  ache
  cache
  challah
  chance
  chancel
  change
  channel
  clench
  each
  enhance
  ganache
  ghee
  haggle
  halal
  hale
  hall
  hang
  heal
  heel
  hell
  hence
  henge
  henna
  leach
  lech
  leech