Binacle or Binnacle: How To spell?
The word Binacle is misspelled against Binnacle, a noun meaning "A case or box placed near the helmsman, containing the compass of a ship, and a light to show it at night."
Binnacle has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings bi & acle which should not be misspelled with single 'N'
Wrong Spelling:  bi-n-acle  Correct Spelling:  bi-nn-acle 
Find more wrongly spelled words of Binnacle to spell it well.