Center letter: o
Outer letter: e i l n t v
Answers (65):
  nonviolent
  violent
  evolve
  intention
  into
  intone
  invention
  involve
  lento
  leonine
  lion
  loin
  loll
  lone
  loon
  loonie
  loot
  lotion
  lotto
  love
  neon
  noel
  none
  nonet
  nonevent
  nonillion
  noon
  note
  notion
  novel
  novelette
  oleo
  olio
  olive
  ollie
  onion
  online
  onto
  oven
  ovine
  tenon
  toil
  toile
  toilet
  toilette
  toll
  tone
  tonne
  tontine
  tool
  toon
  toonie
  toot
  tootle
  tote
  veto
  viol
  violet
  violin
  voile
  vole
  volition
  volt
  vote
  votive