| Share | Phrase |
|---|
| 28.32% | regular [time periodicity] interval |
| 9.72% | regular [time periodicity] fuel |
| 9.65% | regular [time periodicity] gasoline |
| 3.10% | regular [time periodicity] system |
| 2.75% | regular [time periodicity] situation |
| 2.38% | regular [time periodicity] timing |
| 2.15% | regular [time periodicity] control |
| 2.09% | regular [time periodicity] spacing |
| 1.96% | regular [time periodicity] key |
| 1.94% | regular [time periodicity] period |
| 1.92% | regular [time periodicity] operation |
| 1.92% | regular [time periodicity] basis |
| 1.91% | regular [time periodicity] shape |
| 1.84% | regular [time periodicity] function |
| 1.81% | regular [time periodicity] grade |
| 1.61% | regular [time periodicity] state |
| 1.34% | regular [time periodicity] injector |
| 1.28% | regular [time periodicity] line |
| 1.26% | regular [time periodicity] level |
| 1.16% | regular [time periodicity] signal |
| 1.07% | regular [time periodicity] maintenance |
| 1.05% | regular [time periodicity] igsr |
| 1.01% | regular [time periodicity] contact |
| 0.99% | regular [time periodicity] rate |
| 0.95% | regular [time periodicity] injection |
| 0.90% | regular [time periodicity] combustion |
| 0.90% | regular [time periodicity] order |
| 0.89% | regular [time periodicity] plug |
| 0.85% | regular [time periodicity] distance |
| 0.81% | regular [time periodicity] structure |
| 0.78% | regular [time periodicity] pattern |
| 0.78% | regular [time periodicity] spark |
| 0.78% | regular [time periodicity] inspection |
| 0.76% | regular [time periodicity] time |
| 0.75% | regular [time periodicity] mode |
| 0.72% | regular [time periodicity] surface |
| 0.66% | regular [time periodicity] cylinder |
| 0.66% | regular [time periodicity] pump |
| 0.64% | regular [time periodicity] angle |
| 0.64% | regular [time periodicity] unit |
| 0.61% | regular [time periodicity] supply |
| 0.53% | regular [time periodicity] engine |
| 0.53% | regular [time periodicity] value |
| 0.49% | regular [time periodicity] condition |
| 0.46% | regular [time periodicity] valve |
| 0.44% | regular [time periodicity] pressure |