Center letter: r
Outer letter: a f l m o u
Answers (45):
  formula
  afar
  afro
  alarm
  amoral
  amour
  armful
  armor
  aroma
  arum
  aura
  aural
  aurora
  auroral
  farm
  farro
  floor
  flora
  floral
  flour
  fora
  form
  formal
  forum
  four
  from
  froufrou
  furl
  furor
  marm
  molar
  moor
  moral
  mural
  murmur
  oral
  roam
  roar
  roll
  roof
  room
  roomful
  ruff
  rumor
  rural