Nightles or Nightless: How To spell?
The word Nightles is misspelled against Nightless, an adjective meaning "Having no night."
Nightless 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:  nightle-s  Correct Spelling:  nightle-ss 
Find more wrongly spelled words of Nightless to spell it well.