Sliter or Slitter: How To spell?
The word Sliter is misspelled against Slitter, a noun meaning "One who, or that which, slits."
Slitter has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings sli & er which should not be misspelled with single 'T'
Wrong Spelling:  sli-t-er  Correct Spelling:  sli-tt-er 
Find more wrongly spelled words of Slitter to spell it well.