| Fach | compartment discipline field subject |
| Fach- | technical |
| Fächer | fan |
| fächeln | fan |
| fächern | fan |
| fachlich | disciplinary |
| -fach | -fold |
| Facharzt | specialist |
| Fachfrau | expert specialist |
| Fachmann | specialist expert |
| Fachwerk | half-timbering |
| Fachwort | technical term term |
| Mach | Mach |
| Bach | brook stream creek burn |
| Dach | roof |
| ach | oh oh no! oh no, of course not oh, I see you don’t, say |
| flach | flat shallow |
| nach | to at for after behind past later as to |
| wach | awake |
| zach | tough |