Apertnes or Apertness: How To spell?

The word Apertnes is misspelled against Apertness, a noun meaning "Openness; frankness."

Apertness 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:  apertne-s 
Correct Spelling:  apertne-ss 
Explore spell check of Apertness to spell without errors.

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