| distress(noun, concern, anxiety, pain, nervousness) |
| excitement |
| fear and trembling(expression, idiom, fear) |
| fermentation |
| fitfulness(noun, activity, movement, anxiety, weakness) |
| flap(anxiety, nervousness, restlessness) |
| flightiness(noun, anxiety, weakness, uncertainty, shake) |
| fluctuation(noun, anxiety, weakness, uncertainty, shake) |
| fluidity(noun, anxiety, weakness, uncertainty, shake) |
| fluster |
| foreboding(noun, concern, anxiety, nervousness, unrest) |
| frailty(noun, anxiety, weakness, uncertainty, shake) |
| fuss(anxiety, nervousness, restlessness) |
| goose bumps(expression, anxiety, nervousness, restlessness) |
| heartquake |
| hesitation(noun, anxiety, weakness, uncertainty, shake) |
| hurry(noun, activity, movement, anxiety, agitation) |
| immaturity(noun, anxiety, weakness, uncertainty, shake) |
| impermanence(noun, anxiety, weakness, uncertainty, shake) |
| insecurity(noun, anxiety, weakness, uncertainty, shake) |