| Tacho | clock |
| Tachograf | tachograph |
| Taco | taco |
| Macho | macho |
| Tachocline | tachocline |
| Tachometer | speedometer |
| Tachyon | tachyon |
| Dacht | wick |
| Fach- | technical |
| Jacht | yacht |
| Kachon | cajón |
| Mach | Mach |
| Trachom | trachoma |
| Acht | eight buckle rim twist wheel handcuff ban outlawry ostracism attention care |
| acht | eight |
| Bach | brook stream creek burn |
| Bache | wild sow |
| Cache | cache |
| Dach | roof |
| Dachs | badger |