Reconnaisance or Reconnaissance: How To spell?
The word Reconnaisance is misspelled against Reconnaissance, a noun meaning "An examination of a region as to its general natural features, preparatory to a more particular survey for the purposes of triangulation, or of determining the location of a public work."
Reconnaissance has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings reconnai & ance which should not be misspelled with single 'S'
Wrong Spelling:  reconnai-s-ance  Correct Spelling:  reconnai-ss-ance 
Find more incorrect spellings of Reconnaissance to spell right way.