Steelines or Steeliness: How To spell?

The word Steelines is misspelled against Steeliness, a noun meaning "The quality of being steely."

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

You might be interested to know

Substanceles or Substanceless?

Tamenes or Tameness?

Timelines or Timeliness?