Slater or Slatter: How To spell?
The word Slater is misspelled against Slatter, a verb meaning "To be careless, negligent, or aswkward, esp. with regard to dress and neatness; to be wasteful."
Slatter has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings sla & er which should not be misspelled with single 'T'
Wrong Spelling:  sla-t-er  Correct Spelling:  sla-tt-er 
Explore spell check of Slatter to spell without errors.