Slaternliness or Slatternliness: How To spell?
The word Slaternliness is misspelled against Slatternliness, a noun meaning "The quality or state of being slatternly; slovenliness; untidiness."
Slatternliness has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings sla & ernliness which should not be misspelled with single 'T'
Wrong Spelling:  sla-t-ernliness  Correct Spelling:  sla-tt-ernliness 
Find more wrongly spelled words of Slatternliness to spell it well.