Relativenes or Relativeness: How To spell?
The word Relativenes is misspelled against Relativeness, a noun meaning "The state of being relative, or having relation; relativity."
Relativeness 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:  relativene-s  Correct Spelling:  relativene-ss 
Find more wrongly spelled words of Relativeness to spell it well.