Center letter: v
Outer letter: a c e l n o
Answers (46):
  conclave
  covalence
  alcove
  calve
  cava
  cave
  clave
  cleave
  clove
  cloven
  coevolve
  concave
  convene
  cove
  coven
  eave
  eleven
  enclave
  even
  evolve
  lava
  lave
  leave
  leaven
  levee
  level
  love
  naval
  nave
  navel
  nova
  novae
  novel
  novella
  oval
  oven
  valance
  vale
  valence
  valve
  vane
  veal
  venal
  vocal
  volcano
  vole