Fitnes or Fitness: How To spell?
The word Fitnes is misspelled against Fitness, a noun meaning "The state or quality of being fit; as, the fitness of measures or laws; a person's fitness for office."
Fitness 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:  fitne-s  Correct Spelling:  fitne-ss 
Find more wrongly spelled words of Fitness to spell it well.