Dastardnes or Dastardness: How To spell?
The word Dastardnes is misspelled against Dastardness, a noun meaning "Dastardliness."
Dastardness 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:  dastardne-s  Correct Spelling:  dastardne-ss 
Explore spell check of Dastardness to spell without errors.