| Fesselgelenk | fetlock |
| Fußgelenk | ankle |
| Kugelgelenk | ball-and-socket joint ball and socket joint |
| festklebend | tenacious |
| feststellend | declaratory |
| Fesselballon | captive ballon |
| Fesselspiel | bondage |
| Fesselung | captivation pin |
| fesseln | chain attract rivet |
| fesselnd | compelling |
| festlegen | define determine stipulate commit oneself to immobilize |
| festlesen | be get hooked read stuck |
| festnageln | nail down pill down |
| feststellen | note notice |
| Kesselhaken | trammel |
| Kesselwagen | tank wagon |
| Nesselzelle | cnidocyte |
| tessellieren | tessellate |
| Kiefergelenk | temporomandibular joint |
| Kniegelenk | knee joint |