Center letter: o
Outer letter: a i m n t y
Answers (56):
  anonymity
  antimony
  amino
  ammo
  ammonia
  amnio
  anatomy
  animation
  anion
  annatto
  annotation
  annoy
  anoint
  anon
  antonym
  antonymy
  atom
  imitation
  initiation
  intimation
  into
  intonation
  iota
  mammon
  mayo
  minion
  moan
  moat
  momma
  mommy
  mono
  monomania
  mononym
  monotony
  moon
  moony
  moot
  motion
  motto
  nation
  nomination
  noon
  notation
  notion
  oaty
  omit
  onion
  oniony
  onto
  ottoman
  tattoo
  tomato
  tomtit
  tony
  toon
  toot