Mastres or Mastress: How To spell?

The word Mastres is misspelled against Mastress, a noun meaning "Mistress."

Mastress 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:  mastre-s 
Correct Spelling:  mastre-ss 
Explore spell check of Mastress to spell without errors.

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