Stealthines or Stealthiness: How To spell?
The word Stealthines is misspelled against Stealthiness, a noun meaning "The state, quality, or character of being stealthy; stealth."
Stealthiness 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:  stealthine-s  Correct Spelling:  stealthine-ss 
Find more wrongly spelled words of Stealthiness to spell it well.