jitters (n.)
- agitation
 - apprehension
 - apprehensiveness
 - bluster
 - boil
 - boiling
 - brouhaha
 - bustle
 - churn
 - commotion
 - discomposure
 - disorder
 - disquiet
 - disquietude
 - disturbance
 - dither
 - ebullition
 - embroilment
 - excitement
 - ferment
 - fermentation
 - fever
 - feverishness
 - flap
 - flurry
 - fluster
 - fume
 - fuss
 - heebie-jeebies
 - hubbub
 - inquietude
 - jumpiness
 - maelstrom
 - malaise
 - moil
 - nerves
 - nervousness
 - perturbation
 - queasiness
 - restlessness
 - roil
 - rout
 - row
 - skittishness
 - stir
 - sweat
 - swirl
 - to-do
 - trembles
 - trepidation
 - trepidity
 - tumult
 - turbidity
 - turbulence
 - turmoil
 - unease
 - uneasiness
 - unrest
 - upset
 - willies