| Firmament | firmament |
| Filament | filament |
| Firmen- | corporate |
| firmen | confirm |
| Formant | formant |
| permanent | permanent |
| Parament | parament |
| Fundament | foundation |
| Ligament | ligament |
| Ornament | ornament |
| Parlament | parliament |
| Pergament | parchment vellum |
| framen | frame |
| Ferment | enzyme |
| Fragment | fragment |
| immanent | immanent |
| Firmpate | godfather |
| Firmpatin | godmother |
| Firma | firm company business |
| Firmung | confirmation |