Witneser or Witnesser: How To spell?
The word Witneser is misspelled against Witnesser, a noun meaning "One who witness."
Witnesser has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings witne & er which should not be misspelled with single 'S'
Wrong Spelling:  witne-s-er  Correct Spelling:  witne-ss-er 
Find more wrongly spelled words of Witnesser to spell it well.