| Subject | English | Lao |
| comp., MS | add-in | ເພີ່ມເຂົ້າໃນ (A supplemental program that can extend the capabilities of an application program) |
| comp., MS | add-on | ເພີ່ມເຂົ້າເທິງ (A device that is traditionally added to the base computer system to increase functionality, such as audio, networking, graphics, or SCSI controller) |
| comp., MS | add-on device | ອຸປະກອນເພີ່ມໃສ່ຂ້າງນອກ (A device that is traditionally added to the base computer system to increase functionality, such as audio, networking, graphics, or SCSI controller) |