| Situation | situation |
| Situationismus | situationism |
| Simulation | simulation |
| Station | station ward |
| Titration | titration |
| Situationskomik | situation comedy |
| Insinuation | insinuation |
| -isation | -ization |
| Himation | himation |
| Initiation | initiation |
| Libation | libation |
| Simulatin | malingerer |
| Agitation | agitation |
| Dotation | endowment |
| Filtration | filtration |
| Guttation | guttation |
| Imitation | imitation |
| Intubation | intubation |
| Ipsation | masturbation |
| Iteration | iteration |