Riddle was writhing and twisting, screaming and flailing and then He had gone.
Immediately, his insides started writhing as though he’d just swallowed live snakes — doubled up, he wondered whether he was going to be sick — then a burning sensation spread rapidly from his stomach to the very ends of his fingers and toes — next, bringing him gasping to all fours, came a horrible melting feeling, as the skin all over his body bubbled like hot wax — and before his eyes, his hands began to grow, the fingers thickened, the nails broadened, the knuckles were bulging…
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.