| Share | Phrase |
|---|
| 18.32% | repetitive [time periodicity] cycle |
| 18.05% | repetitive [time periodicity] pulse |
| 11.46% | repetitive [time periodicity] mode |
| 10.80% | repetitive [time periodicity] spark |
| 10.48% | repetitive [time periodicity] firing |
| 7.69% | repetitive [time periodicity] input |
| 6.60% | repetitive [time periodicity] operation |
| 6.29% | repetitive [time periodicity] description |
| 6.29% | repetitive [time periodicity] explanation |
| 3.96% | repetitive [time periodicity] rate |