Spaner or Spanner: How To spell?
The word Spaner is misspelled against Spanner, a noun meaning "A contrivance in some of the ealier steam engines for moving the valves for the alternate admission and shutting off of the steam."
Spanner has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings spa & er which should not be misspelled with single 'N'
Wrong Spelling:  spa-n-er  Correct Spelling:  spa-nn-er 
Explore spell check of Spanner to spell without errors.