Promptnes or Promptness: How To spell?

The word Promptnes is misspelled against Promptness, a noun meaning "Cheerful willingness; alacrity."

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

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