Center letter: l
Outer letter: a d i t v y
Answers (47):
  validity
  alit
  allay
  ally
  atilt
  avail
  avidly
  daily
  dally
  daylily
  daylit
  dial
  diddly
  dill
  dilly
  dillydally
  idly
  idyl
  idyll
  illy
  lady
  laid
  laity
  lava
  lilt
  lily
  livid
  lividity
  lividly
  tail
  tali
  tall
  tallit
  tally
  tidal
  tidally
  tidily
  till
  tilt
  valid
  validly
  vial
  villa
  vital
  vitality
  vitally
  vividly