| ad infinitum | ad infinitum |
| zu-Infinitiv | zu-infinitive |
| Infinitiv | infinitive |
| Infinität | uncertainty |
| Infimum | infimum |
| Affinität | affinity |
| definitiv | definitive definite positively |
| Ladinium | Ladinian |
| Actinium | actinium |
| Aluminium | aluminium aluminum |
| Femininum | feminine gender |
| Gadolinium | gadolinium |
| Unbinilium | unbinilium |
| Tinnitus | tinnitus |
| ad nauseam | ad nauseam |
| Darwinfinken | Darwin's finch |
| Infinitismus | infinitism |
| infiziert | infected |
| Infant | infante |
| Sinfonie | symphony sinfonia |