I think you should be honest with your examiner. Unless your master's is going to require fluent speech, it shouldn't matter to your career. What is your master’s degree? I spent my life avoiding my degrees in Psychology/sociology because I gesture competing professionally. Fortunately, my husband was a professional and I was able and happy to be a homemaker.To women of my era, being a homemaker was a respected vocation and I supported my husband's career. Our children are happy and successful. Being open about your limitations is not shameful. Let us know how things went.In life we are professionally judged for our expertise. We are the harshest judges of ourselves, usually diminishing our skills and magnifying our fears. Earning a Master’s degree demonstrates your competency. Have confidence in your academic skills.