Sancho, deserting Dapple, hung on to the duchess and entered the castle, but feeling some twinges of conscience at having left the ass alone, he approached a respectable duenna who had come out with the rest to receive the duchess, and in a low voice he said to her, "Senora Gonzalez, or however your grace may be called-"
There are no more uses of "twinge" in the book.
Show samples from other sources
It’s been so long since I’ve hugged her, a twinge of guilt rises up inside me.
Colleen Hoover -- Slammed
She has twelve, and I feel a momentary twinge of jealousy.