| differieren | differ |
| diffamieren | defame vilify |
| offerieren | offer |
| digerieren | digesting |
| Differdingen | Differdange |
| differenzieren | differentiate distinguish |
| diffundieren | diffuse |
| chiffrieren | encrypt encipher |
| konferieren | confer |
| präferieren | prefer |
| referieren | refer |
| inserieren | advertise |
| iterieren | iterate |
| Einfrieren | freeze |
| einfrieren | freeze |
| tieffrieren | deep-freeze |
| deflorieren | deflower |
| dispergieren | disperse |
| divergieren | diverge |
| edifizieren | edify |