Cases of word usage

1) the act of moving or shaking (of a liquid) (agitation)

2) (an) injury or violent shaking or shock (to the brain) as caused by a blow, knock or fall (concussion)

3) a greeting given by shaking hands with a person (handshake)

4) an act of shaking a person or thing (shaking)

5) (the effect caused by) a violent blow or shaking (e.g. caused by a fall, collision or explosion); (the condition caused by) a sudden and very strong feeling of surprise, fear, worry etc (caused by bad news, unusual clothes etc) (shock)

6) a shaking or trembling movement (tremour)