"Thank you very much, Master," said Kreacher with a bow, and he retreated a short distance, his great pale eyes still fixed upon Mundungus with loathing.
Though Harry knew perfectly well that it was really Hermione, he could not suppress a shiver of loathing.
Harry could not help but remember how Hermione has dismissed his loathing of the blackthorn wand, insisting that he was imagining things when it did not work as well as his own, telling him to simply practice.
There are no more uses of "loathe" in the book.
Show samples from other sources
I make New Year’s resolutions every year and then loathe myself for breaking them.