vortex (n.)
- ado
- agitation
- backflow
- backwash
- backwater
- bother
- botheration
- brouhaha
- burst
- bustle
- cirrus
- coil
- commotion
- contrail
- corkscrew
- countercurrent
- curl
- curlicue
- disturbance
- ebullience
- ebullition
- eddy
- effervescence
- embroilment
- exhaust
- ferment
- fermentation
- fidgetiness
- fit
- flap
- flurry
- fluster
- flutter
- fume
- fuss
- fussiness
- gulf
- gyre
- helix
- hubbub
- hullabaloo
- hurry
- kink
- maelstrom
- perturbation
- pirouette
- pother
- reel
- reflux
- regurgitation
- restlessness
- ringlet
- roll
- round
- ruffle
- scramble
- screw
- scroll
- spasm
- spin
- spiral
- spout
- spurt
- stew
- stir
- stream
- surge
- sweat
- swirl
- tendril
- to-do
- tumult
- turbulence
- turmoil
- turn
- twirl
- twist
- uproar
- volute
- volution
- wake
- wash
- wheel
- whirl
- whirlpool
- whirlwind
- whorl