Center letter: o
Outer letter: a m n t x y
Answers (33):
  taxonomy
  ammo
  anatomy
  annoy
  anon
  antonym
  antonymy
  atom
  axon
  mammon
  mayo
  moan
  moat
  momma
  mommy
  mono
  mononym
  monotony
  moon
  moony
  moot
  motto
  noon
  oaty
  onto
  onyx
  ottoman
  tattoo
  taxon
  tomato
  tony
  toon
  toot