| Isobutan | isobutane |
| Isobuten | isobutene |
| Isobar | isobar |
| isobar | isobaric |
| Isoton | isotone |
| Rambutan | rambutan |
| Butan | butane |
| Soutane | cassock soutane |
| subkutan | subcutaneous |
| Isopren | isoprene |
| isotop | isotopic |
| Isotop | isotope |
| Isobare | isobar |
| Isolation | insulation isolation |
| Isolator | insulator |
| Isoleucin | isoleucine |
| Isoquante | isoquant |
| Soba | soba |
| soeben | just now |
| Globulin | globulin |