| Kieselguhr | diatomaceous earth |
| Kieselgel | silica gel |
| Kiesel- | flinty |
| Kieselalge | diatom |
| Kieselsäure | silicic acid |
| Kiesel | pebble |
| Dieselgate | Dieselgate |
| Eselsohr | dog ear dog-ear dogear |
| Ziseleur | chiseler |
| sieben Uhr | seven o'clock |
| Kieberer | pig |
| Kieserit | kieserite |
| kieselartig | siliceous |
| Kiefer | pine pine tree pinewood jaw jowl |
| Kieselsinter | geyserite |
| Kieselstein | pebble |
| Kiesgrube | gravel pit gravel quarry |
| kiesen | choose gravel |
| Fiesel | pizzle |
| Kniestuhl | kneeling chair |