Headstrongnes or Headstrongness: How To spell?

The word Headstrongnes is misspelled against Headstrongness, a noun meaning "Obstinacy."

Headstrongness 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:  headstrongne-s 
Correct Spelling:  headstrongne-ss 
Find more incorrect spellings of Headstrongness to spell right way.

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