The term "PLAB" refers to an overseas medical licensing exam, which is a prerequisite for overseas doctors to practice medicine in the UK. Alternative words that can be used for PLAB could include licensing exams, medical assessments, professional competence exams, or medical proficiency tests. These words are all related to the same definition as PLAB, which is passing an assessment to demonstrate medical competency and expertise. When searching for information on medical licensing exams, it's essential to be aware of the different synonyms and terms available to ensure that you can find the most relevant and accurate information related to your specific needs.