| endocrine disease |
| ennui(noun, worry, anxiety, disappointment, unhappiness) |
| envy(noun, worry, anxiety, disappointment, unhappiness) |
| epidemic(disorder, illness, sickness, affliction, ailment) |
| epidemic disease |
| equivocation(noun, delay, weakness, doubt, uncertainty) |
| exasperation(noun, worry, anxiety, disappointment, unhappiness) |
| execration(noun, dislike, unpleasant, disgusting, antipathy) |
| execrative(noun, dislike, unpleasant, disgusting, antipathy) |
| execratory(noun, dislike, unpleasant, disgusting, antipathy) |
| failing(noun, disorder, weakness, fault, illness) |
| fault(noun, disorder, weakness, illness, failing) |
| feebleness(noun, disorder, weakness, condition, fault) |
| feverishness(noun, disease) |
| fit(disorder, disease, collapse, disturbance, sickness) |
| flu(noun, disorder, disease, weakness, collapse) |
| fluctuation(noun, delay, weakness, doubt, uncertainty) |
| foot-dragging |
| fractiousness |
| frailness(noun, disorder, weakness, fault, illness) |