Refractivenes or Refractiveness: How To spell?

The word Refractivenes is misspelled against Refractiveness, a noun meaning "The quality or condition of being refractive."

--> Refractiveness 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:  refractivene-s 
Correct Spelling:  refractivene-ss 
Find more wrongly spelled words of Refractiveness to spell it well.

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