Generalisimo or Generalissimo: How To spell?
The word Generalisimo is misspelled against Generalissimo, an adjective meaning "The chief commander of an army; especially, the commander in chief of an army consisting of two or more grand divisions under separate commanders; -- a title used in most foreign countries."
Generalissimo has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings generali & imo which should not be misspelled with single 'S'
Wrong Spelling:  generali-s-imo  Correct Spelling:  generali-ss-imo 
Find more incorrect spellings of Generalissimo to spell right way.