It was full of what looked like foot-long maggots, slimy, white, and writhing.
It took them no time to find the little group of people around Katie, who was still writhing and screaming on the ground; Ron, Hermione, and Leanne were all trying to quiet her.
Harry, Ron, and Hermione rushed forward to help, but even as they grabbed Katie’s legs, she fell on top of them; Harry and Ron managed to catch her but she was writhing so much they could hardly hold her.
I don’t care," said Harry again, looking with disgust at the writhing, stamping house-elf.
There are no more uses of "writhe" in the book.
Show samples from other sources
The patient writhed in pain.
She writhed on the sidewalk begging that someone call an ambulance.