’… better hurry up, Mum’s going ballistic, she says we’re going to miss the tram There was a lot of commotion in the house.
Harry could hear a muffled commotion coming from what he thought might be the Entrance Hall.
The commotion out in the grounds had woken several people, who had hastened to rouse their friends.
’Goyle’s mum’ll be really pleased, though,’ said Ron, who had come to investigate the source of the commotion.
There was a commotion outside and several large Slytherins entered, each gripping Ron, Ginny, Luna and — to Harry’s bewilderment — Neville, who was trapped in a stranglehold by Crabbe and looked in imminent danger of suffocation.
There are no more uses of "commotion" in the book.