Center letter: l
Outer letter: a c d o r t
Answers (54):
  cartload
  doctoral
  allocator
  allot
  altar
  alto
  aortal
  atoll
  call
  calla
  callaloo
  carload
  carol
  catcall
  clad
  cloaca
  clod
  clot
  coal
  cola
  cold
  collar
  collard
  color
  colt
  cool
  coral
  corolla
  corral
  doll
  dollar
  dolor
  dolt
  droll
  drool
  lard
  load
  local
  locator
  loco
  loll
  loot
  lord
  lotto
  octal
  oral
  roll
  talc
  tall
  told
  toll
  tool
  total
  troll