The acronym CRB usually refers to Criminal Records Bureau. However, there are some other possible synonyms for this term. One of these synonyms is DBS, or Disclosure and Barring Service. This is a UK organization that provides criminal record checks for employers and organizations. Another possible synonym is PVG, or Protecting Vulnerable Groups. This is a Scottish system that also provides criminal record checks for those who work with vulnerable populations such as children and elderly individuals. Additionally, some people may use the terms background check or police check to refer to criminal record checks, which could also be considered synonyms for CRB.