| Share | Phrase |
|---|
| 39.60% | supercharge engine [perform operation] |
| 17.39% | self [does] supercharge |
| 12.07% | supercharge air [perform operation] |
| 11.85% | supercharge chamber [perform operation] |
| 7.38% | supercharge cylinder [perform operation] |
| 7.22% | supercharge gas [perform operation] |
| 4.47% | means [does] supercharge |