| Subject | English | Dutch |
| IT | digital loopback test | digitale kringlooptest |
| commun. | local loopback address | lokaal loopback-adres |
| comp., MS | loopback address | loopback-adres (The address of the local computer used for routing outgoing packets back to the source computer. This address is used primarily for testing) |
| commun. | loopback field | loopback-veld |
| commun. | loopback function | testlus |
| commun. | loopback message | loopback-bericht |
| IT | loopback test | kringlooptest |
| commun., tech. | loopback test | rondkoppeltest |
| IT | loopback test | terugvoeringscontrole |
| commun. | loopback,to | terugkoppelen |