Travancore rupee is a historical currency that was once used in the Kingdom of Travancore, which is located in present-day Kerala, India. The currency was in use during the 19th and early 20th centuries, and it was widely traded in many parts of South India. While the term "Travancore rupee" is the most commonly used term for this currency, there are several synonyms for it. Some of the synonyms for the Travancore rupee include Travancore coin, Travancore currency, and Travancore royal coin. These synonyms are often used interchangeably to refer to the same currency, and they are frequently encountered in historical documents and literature.