Center letter: b
Outer letter: a c i n o t
Answers (41):
  anabiotic
  antibiotic
  botanic
  abaci
  abbot
  abiotic
  baba
  baboon
  bacon
  bait
  banana
  banc
  baobab
  baton
  bionic
  biota
  biotic
  biotin
  boat
  boba
  bobbin
  bobcat
  bocci
  bonbon
  bonito
  bonobo
  boob
  booboo
  boon
  boot
  cabana
  cabin
  ciabatta
  nabob
  nanobot
  noob
  obit
  obtain
  taboo
  tibia
  tobacco