Slatternlines or Slatternliness: How To spell?
The word Slatternlines is misspelled against Slatternliness, a noun meaning "The quality or state of being slatternly; slovenliness; untidiness."
Slatternliness has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  slatternline-s  Correct Spelling:  slatternline-ss 
Find more wrongly spelled words of Slatternliness to spell it well.