Serenenes or Sereneness: How To spell?

The word Serenenes is misspelled against Sereneness, a noun meaning "Serenity."

--> Sereneness 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:  serenene-s 
Correct Spelling:  serenene-ss 
Explore spell check of Sereneness to spell without errors.

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