Stening or Steening: How To spell?
The word Stening is misspelled against Steening, a noun meaning "A lining made of brick, stone, or other hard material, as for a well."
Steening has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings St & ning which should not be misspelled with single 'E'
Wrong Spelling:  St-e-ning  Correct Spelling:  St-ee-ning 
Find more wrongly spelled words of Steening to spell it well.