Sightlines or Sightliness: How To spell?

The word Sightlines is misspelled against Sightliness, a noun meaning "The state of being sightly; comeliness; conspicuousness."

Sightliness 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: sightline-s
Correct Spelling: sightline-ss
Find more wrongly spelled words of Sightliness to spell it well.