Center letter: c
Outer letter: i l n o r u
Answers (43):
  councilor
  unicolor
  cirri
  clinic
  cocci
  cocoon
  coil
  coin
  coir
  colic
  colon
  colonic
  color
  concur
  conic
  cool
  corn
  council
  croc
  croci
  croon
  cull
  curio
  curl
  icon
  iconic
  incur
  ionic
  ironic
  loci
  loco
  nuncio
  occur
  oculi
  ricin
  rococo
  runic
  uncoil
  uncool
  uncurl
  unicorn
  unironic
  uric