A redundancy check is a process that verifies the accuracy of data by comparing it to a previously stored copy to detect any errors or inconsistencies. Synonyms for redundancy check include error detection, error checking, checksum verification, parity checking, data validation checks, and data integrity checks. All of these terms refer to processes that ensure the accuracy and integrity of data by comparing it to a known standard and detecting any discrepancies. Redundancy checks are essential in computer systems, telecommunications, and other data-intensive applications to prevent errors and ensure the reliability of information. Synonyms for redundancy check are widely used interchangeably to refer to the same process of verifying data accuracy.