shudder (n.)
- bang
- bob
- bobble
- boot
- bounce
- bump
- charge
- chatter
- chill
- convulsion
- disquiet
- disquietude
- dither
- falter
- fidgetiness
- flush
- flutter
- freeze
- grimace
- heaving
- hustle
- inquietude
- jar
- jerk
- jig
- jiggle
- jog
- joggle
- jolt
- jostle
- jounce
- jump
- kick
- lift
- palpitation
- panting
- paroxysm
- pitter-patter
- quake
- quaver
- quiver
- quivering
- rattle
- restlessness
- rictus
- rush
- sensation
- shake
- shaking
- shimmy
- shiver
- shock
- spasm
- thrill
- throb
- throbbing
- tic
- tingle
- tingling
- titillation
- tremble
- trembling
- tremor
- trepidation
- trepidity
- twitch
- unrest
- vibration
- wobble
shudder (v.)
- bang
- bob
- bobble
- boot
- bounce
- bump
- charge
- chatter
- chill
- convulse
- didder
- disquiet
- dither
- falter
- flush
- flutter
- freeze
- grimace
- gyrate
- horripilate
- hustle
- jactitate
- jar
- jerk
- jig
- jiggle
- jog
- joggle
- jolt
- jostle
- jounce
- jump
- kick
- lift
- pitter-patter
- quake
- quaver
- quiver
- rattle
- rush
- shake
- shimmy
- shiver
- shock
- thrill
- throb
- tic
- tingle
- tremble
- tremor
- twitch
- vibrate
- wobble
