| Isolde | Eseld Iseult Isold Isolda Isolde Isolt |
| Fisole | green bean |
| Sold | pay |
| Soldo | soldo |
| Sole | brine sol |
| Sölden | Sölden |
| solide | robust well founded respectable |
| Dolde | umbel corymb |
| Isobar | isobar |
| isobar | isobaric |
| Isop | hyssop |
| Isopren | isoprene |
| Isoton | isotone |
| isodom | isodomic |
| isoliert | transient |
| isotop | isotopic |
| Isotop | isotope |
| Episode | episode |
| ISO | ISO |
| Isobare | isobar |