Center letter: n
Outer letter: c e f i t u
Answers (39):
  fettuccine
  cent
  efficient
  ennui
  entente
  entice
  feint
  fence
  fifteen
  fine
  finite
  incite
  inefficient
  infect
  infinite
  innie
  intent
  intuit
  nene
  nice
  niece
  nine
  nineteen
  nite
  teen
  tenet
  tent
  tinct
  tine
  tint
  tune
  tunic
  uncuff
  uncut
  unfit
  unit
  unite
  untie
  untune