| unterfordern | demand too little not challenge enough underchallenge |
| Unterforderung | underchallenge |
| überfordern | overcharge overburden overexert overtax |
| unterfüttern | underfeed |
| unterworfen | liable |
| Unterboden | subsoil |
| Unterordner | subdirectory subfolder |
| unterordnen | subordinate |
| erfordern | require |
| Unterordnung | hypotaxis |
| Untersteuern | understeer |
| untersteuern | understeer |
| unterjochen | subjugate subdue |
| Unterfangen | undertaking |
| unterbinden | stop |
| unterkommen | arise |
| untermauern | shore up underpin corroborate substantiate |
| unterwerfen | subdue |
| interferieren | interfere |
| Muttermörder | matricide |