Stirles or Stirless: How To spell?
The word Stirles is misspelled against Stirless, an adjective meaning "Without stirring; very quiet; motionless."
Stirless 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:  stirle-s  Correct Spelling:  stirle-ss 
Find more wrongly spelled words of Stirless to spell it well.