Doutor
Doutor is a Portuguese word with two main meanings: a medical doctor and a person who has earned a doctoral degree (PhD or equivalent). The root is Latin doctor, meaning teacher or learned person. In everyday language, it is also a respectful form of address before a surname, especially for physicians, but also for lawyers and other professionals in some contexts. The feminine form is doutora, and the abbreviation Dr. is widely used in writing.
In Portugal, doutor is an official title for someone who holds a doctoral degree. It is used
In Brazil, the term is widely used as an honorific for professionals such as doctors and lawyers,