1. button a round fastener sewn to shirts and coats
  2. butt on lie adjacent to another or share a boundary
  3. butt in break into a conversation
  4. buttony small and round and shiny like a shiny bead or button
  5. batten a strip fixed to something to hold it firm
  6. baton a metal rod wielded or twirled by a drum major or majorette
  7. put on put clothing on one's body
  8. put-on something intended to deceive
  9. bet on place a bet on
  10. between in the interval
  11. python large Old World boas
  12. beaten formed or made thin by hammering
  13. butane a flammable alkane that occurs in natural gas
  14. patten footwear usually with wooden soles
  15. biotin a B vitamin that aids in body growth
  16. put in break into a conversation
  17. beat in teach by drills and repetition
  18. Python (Greek mythology) dragon killed by Apollo at Delphi
  19. autonomy political independence
  20. piton a metal spike with a hole for a rope