As abbreviations the difference between mrs and ma
is that
mrs is a title used before an adult female's name or surname. Traditionally reserved for married individuals and used with the married surname while
MA is massachusetts, a state of the United States of America.
As an initialism MRS
is materials Research Society.
As an acronym ma is
milli-arcsecond.
As a noun ma is
mother, mama.
As a proper noun Ma is
{{surname|common|from=Chinese}} of East Asian derivation.