Center letter: l
Outer letter: a g i n t v
Answers (76):
  gallivant
  gallivanting
  vigilant
  ailing
  alga
  algal
  align
  aligning
  alit
  anal
  angling
  annal
  anvil
  atilt
  avail
  availing
  gala
  galangal
  gall
  gallant
  galling
  ganglia
  gangling
  giggling
  gill
  gilling
  gilt
  glia
  glint
  glinting
  initial
  initialing
  lagging
  lain
  lanai
  lantana
  lava
  laving
  ligating
  lilt
  lilting
  lining
  lint
  litigant
  litigating
  living
  nail
  nailing
  natal
  naval
  niggling
  tail
  tailgating
  tailing
  tali
  tall
  tallit
  tangling
  tattling
  tiling
  till
  tilling
  tilt
  tilting
  tingling
  titillating
  vagal
  vaginal
  valiant
  vanilla
  vanillin
  vial
  vigil
  villa
  villain
  vital