Center letter: r
Outer letter: a c l o t u
Answers (68):
  calculator
  coloratura
  accrual
  actor
  actuator
  allocator
  altar
  aorta
  aortal
  arco
  attar
  attract
  attractor
  aura
  aural
  aurora
  auroral
  autocrat
  carat
  carol
  carrot
  cart
  cataract
  collar
  color
  coral
  corolla
  corral
  court
  croc
  cultural
  curacao
  curator
  curl
  curt
  locator
  occur
  ocular
  oracular
  oral
  orator
  orca
  outro
  ratatat
  roar
  rococo
  roll
  rollout
  root
  rotator
  rotor
  rout
  rural
  taro
  tarot
  tart
  tartar
  toro
  tort
  torta
  tour
  tract
  tractor
  troll
  trot
  trout
  tutor
  ultra