Doubtfulnes or Doubtfulness: How To spell?

The word Doubtfulnes is misspelled against Doubtfulness, a noun meaning "State of being doubtful."

Doubtfulness 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:  doubtfulne-s 
Correct Spelling:  doubtfulne-ss 
Check more misspelled words of Doubtfulness to spell it correct.

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