| introspektiv | introspective |
| Introspektion | introspection |
| prospektiv | prospective |
| Introjektion | introjection |
| Retrospektion | feedback retrospection |
| Intransitiv | intransitive verb |
| intransitiv | intransitive |
| Introsort | introspective sort |
| interventiv | interventive intervention |
| intrusiv | intrusive |
| Interessentin | stakeholder |
| interaktiv | interactive |
| intersubjektiv | intersubjective |
| Prospektor | prospector |
| Prospekt | brochure leaflet pamphlet back cloth backdrop catalog |
| Prospektion | prospecting archaeological field survey archaeological prospection archaeological surveying |
| Inspektion | inspection |
| Inspektor | inspector |
| Perspektive | perspective |
| respektive | respectively rather |