Steliness or Steeliness: How To spell?
The word Steliness is misspelled against Steeliness, a noun meaning "The quality of being steely."
Steeliness has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings St & liness which should not be misspelled with single 'E'
Wrong Spelling:  St-e-liness  Correct Spelling:  St-ee-liness 
Find more wrongly spelled words of Steeliness to spell it well.