What is the Plural of Ms?

Ms. is the short form of the courtesy title for Miss. This is often used when addressing a letter to an unmarried female or if you are not aware of the person's marital status. The plural of Ms. is either Mses. or Mss., while the long form is Misses. You can find more information here: http://www.drdaveanddee.com/plural.html
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