| problem fester | 1.12 | These problems are festering. | ||
| wound fester | 0.79 | But a wound festers. | ||
| anger fester | 0.59 | Anger festers. | ||
| situation fester | 0.53 | The situation festered. | ||
| issue fester | 0.46 | The interest issue has festered for several months. | ||
| resentment fester | 0.26 | It was a messy divorce, and the resentment festers almost a year later. |