Rankle (verb)

1. To cause persistent resentment or anger in (someone).
2. To produce a feeling of irritation or resentment in (someone).
3. To affect (a wound) so as to cause persistent pain or irritation.

Origin:

From middle english ranklen, from old english rancian ("to fret, chafe"), from proto-germanic *rankōną ("to gnaw, gnaw at"), from proto-indo-european *hrenǵ- ("to gnaw, gnaw at").

Examples:

1. The injustice of the situation rankled in his mind for years.
2. His constant criticism rankled her.
3. The wound had rankled and become infected.
4. The insult continued to rankle him long after it was spoken.
5. The idea of being replaced rankled him and he couldn't let it go.