Center letter: c
Outer letter: a g h i n r
Answers (61):
  arching
  chagrin
  chairing
  charging
  charring
  ranching
  acacia
  acai
  aching
  acing
  anarchic
  arancini
  arcana
  arch
  archaic
  arcing
  arnica
  caching
  caging
  cairn
  cancan
  caning
  canna
  canning
  caring
  chai
  chain
  chaining
  chair
  chancing
  changing
  char
  chia
  chic
  chica
  chichi
  chin
  china
  chinning
  cigar
  cinch
  cinching
  circa
  cirri
  crag
  crania
  craning
  cringing
  gracing
  grinch
  highchair
  icing
  inch
  inching
  narc
  niacin
  racing
  ranch
  rich
  ricin
  ricing