Center letter: v
Outer letter: d e f i n t
Answers (37):
  definitive
  devein
  deveined
  dive
  dived
  divide
  divided
  dividend
  divine
  divined
  divvied
  endive
  envied
  even
  evened
  event
  evident
  five
  infinitive
  invent
  invented
  inventive
  invite
  invited
  invitee
  ivied
  vein
  veined
  vend
  vended
  vent
  vented
  vetted
  vied
  vine
  vivid
  vivified