| French | English |
| Boîtier extra-plat | pizza box (A chassis type that can be reported by the Win32_SystemEnclosure class in Windows Management Instrumentation (WMI) and that refers to the chassis type that consumes 1U of rack space on a standardized 42U rack) |
| extra-gras | extra-bold (Having a font weight that corresponds to a weight class value of 800 according to the OpenType specification) |
| extra-maigre | extra-light (Having a font weight that corresponds to a weight class value of 200 according to the OpenType specification) |
