Center letter: g
Outer letter: a d e n t v
Answers (44):
  advantage
  advantaged
  adage
  agate
  agave
  aged
  agenda
  agent
  avenge
  avenged
  dang
  edge
  edged
  egad
  egged
  engage
  engaged
  gadded
  gadget
  gaga
  gage
  gagged
  gang
  ganged
  gate
  gated
  gavage
  gave
  gene
  gent
  gnat
  nagged
  negate
  negated
  tagged
  tang
  tangent
  teenage
  teenaged
  vantage
  vegan
  vegetate
  vegetated
  vegged