Steepnes or Steepness: How To spell?
The word Steepnes is misspelled against Steepness, a noun meaning "Height; loftiness."
Steepness 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:  steepne-s  Correct Spelling:  steepne-ss 
Explore spell check of Steepness to spell without errors.