| Inundation | flood |
| Inunktion | embrocation unction |
| Nunation | nunation |
| Foundation | foundation |
| Insinuation | insinuation |
| Emendation | emendation |
| Liquidation | liquidation |
| Nidation | nidation |
| Infixation | infixation |
| Inhumation | inhumation |
| Initiation | initiation |
| Inkubation | incubation |
| Indikation | indication |
| Inflation | inflation |
| Inhalation | inhalation |
| Innovation | innovation |
| Intonation | intonation |
| Intubation | intubation |
| Nutation | nutation |
| Grundton | keynote |