Definitions of decks

  1. In a line-of-battle ship (three-decker) : Poop-D., that which reaches from the mizzenmast to the taffrail. The Upper or Spar D., from stem to stern, divided into Quarter-D., that part abaft the mainmast; Waist or Booms, between the fore and main masts. Forecastle, from the foreshrouds to bows. Main-D., or Gun-D., the whole length of ship below the spar-D. ; then the Middle-D., succeeded by Lower-D. and Orlop-D. In a two-decker, the Middle-D. is omitted. Flush-D. is one continued the whole length of a vessel. Glossary of terms and phrases - Percy

What are the misspellings for decks?