| diffizil | delicate difficult tricky |
| Defizit | deficit deficiency |
| Domizil | domicile |
| Diffusion | diffusion |
| Diffusor | diffuser |
| diffus | foggy hazy vague diffuse diffused scattered |
| diffusibel | diffusible |
| Kifferin | pothead |
| Riffel | ripple |
| Offizier | officer commissioned officer mate piece |
| offiziell | official officially |
| offiziös | white lie |
| Dezil | decile |
| imbezil | imbecile |
| Differenzial | differential |
| differenzial | differential |
| Differenz | difference remainder |
| different | different |
| Riffeln | fluting |
| riffeln | flute |