Center letter: v
Outer letter: d e f i l o
Answers (46):
  fivefold
  delve
  delved
  devil
  deviled
  devoid
  devolve
  devolved
  dive
  dived
  divide
  divided
  divvied
  dove
  evil
  evolve
  evolved
  five
  ivied
  levee
  level
  leveled
  levied
  live
  lived
  livid
  love
  loved
  olive
  ovoid
  veil
  veiled
  veld
  video
  videoed
  vied
  vile
  vilified
  viol
  vivid
  vivified
  void
  voided
  voile
  vole
  voodoo