| Subject | English | Swahili |
| comp., MS | backup copy | nakala chelezo (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files) |
| comp., MS | backup file | faili nakala chelezo (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files) |
| comp., MS | backup withholding | ushuru chelezo wa zuio (An IRS tax rule in the United States that requires notified payers to withhold a set percentage from payments made to payees who cannot be identified due to missing or incorrect taxpayer identification numbers on tax forms) |