Center letter: n
Outer letter: a c d e j y
Answers (37):
  adjacency
  acne
  addend
  addenda
  cadence
  cancan
  candy
  cane
  caned
  canna
  canned
  canny
  cayenne
  cyan
  dance
  danced
  dandy
  deaden
  deadened
  dean
  decadence
  decency
  deny
  dyne
  ended
  ennead
  jean
  jenny
  naan
  nada
  nana
  nanny
  need
  needed
  needy
  nene
  yenned