| fanaticism(noun, feeling, passion, energy, excitement) |
| feeling(noun, passion, energy, excitement, spirit) |
| fervency(noun, force, light, passion, excitement) |
| fervour |
| fever(noun, feeling, passion, energy, excitement) |
| fieriness(noun, feeling, passion, energy, excitement) |
| fire and fury |
| fire in belly(noun, expression, idiom, drive, push) |
| flair(style, spark, zest) |
| flame(noun, feeling, passion, energy, excitement) |
| fortitude(noun, activity, go, drive, power) |
| frenzy(noun, feeling, passion, excitement, spirit) |
| fury(noun, feeling, passion, energy, excitement) |
| gaiety(noun, action, feeling, passion, energy) |
| getup |
| gingerroot |
| give(spring, rebound) |
| glow(noun, feeling, passion, energy, excitement) |
| goods(noun, drive, push, energy, determination) |
| gumption(noun, drive, push, energy, vigor) |