Center letter: c
Outer letter: a h o r t u
Answers (59):
  coauthor
  cutthroat
  achoo
  actor
  actuator
  arch
  arco
  attach
  attract
  attractor
  autocrat
  cacao
  carat
  carrot
  cart
  cataract
  catarrh
  catch
  char
  chart
  chat
  church
  churro
  coach
  coat
  coca
  cocoa
  coho
  cohort
  coot
  couch
  court
  couth
  croc
  crotch
  crouch
  crutch
  curacao
  curator
  curt
  cutout
  hatch
  hooch
  horchata
  hutch
  occur
  orca
  ouch
  roach
  rococo
  tach
  taco
  tact
  thatch
  toccata
  torch
  touch
  tract
  tractor