| Isatin | isatin |
| Satin | satin |
| -isation | -ization |
| Isai | Jesse |
| Ipsation | masturbation |
| Satan | Satan Devil devil fiend |
| ipsativ | ipsative |
| Astatin | astatine |
| Asiatin | Asian Oriental |
| Gratin | gratin |
| Patin | godmother |
| Platin | platinum |
| Rätin | councillor councillour councilor councilour |
| Estin | Estonian |
| Isaak | Isaac |
| cisalpin | cisalpine |
| Disagio | accretion of discount disagio discount point point |
| Isabel | Isabella Isbel Isebella Izabelle |
| Isar | Isar |
| Nisan | Nisan |