Harmles or Harmless: How To spell?
The word Harmles is misspelled against Harmless, an adjective meaning "Free from harm; unhurt; as, to give bond to save another harmless."
Harmless 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:  harmle-s  Correct Spelling:  harmle-ss 
Explore spell check of Harmless to spell without errors.