| fire(noun, excitement, condition, stress, zeal) |
| flap(noun, trouble, disorder, worry, concern) |
| flutter(noun, worry, strain, anxiety, burden) |
| fretfulness(noun, activity, trouble, movement, worry) |
| heat(noun, worry, excitement, strain, anxiety) |
| inflammation(noun, excitement, condition, stress, zeal) |
| intensity(noun, worry, excitement, strain, anxiety) |
| interest(noun, regard, concern, excitement, care) |
| jitters(noun, activity, trouble, movement, worry) |
| presentiment(noun, feeling, worry, distress, anxiety) |
| restiveness(noun, activity, calm, movement, disorder) |
| trembling(noun, distress, anxiety, fear, horror) |
| vehemence(noun, excitement, condition, stress, zeal) |
| ailment(noun, activity, movement, disorder, concern) |
| animation(noun, worry, excitement, anxiety, anger) |
| anxiousness(noun, disorder, anxiety, confusion, feelings) |
| apprehensiveness(noun, feeling, worry, concern, strain) |
| attentiveness(noun, worry, excitement, anxiety, care) |
| boisterousness(noun, sound, blast, crash, cry) |
| chemistry(noun, upset, agitation) |