| Fitness | fitness |
| Fitnessgerät | exercise equipment |
| Finesse | finesse |
| Fairness | fairness equity sportsmanship |
| Fitis | Willow Warbler |
| Fitnesscenter | gym |
| Fitnessstudio | fitness center fitness club health club |
| Ines | Inez |
| Sienese | Sienese |
| Sinnes- | sensuous |
| Tenness | tennessine |
| Stress | stress aggro general adaptation syndrome |
| Fitness-Center | health club |
| Fitting | fitting |
| Fittich | wing pinion |
| fit | fit |
| Festnetz | landline |
| Akinese | akinesia |
| Hannes | Jack |
| Inessiv | inessive |