| Share | Phrase |
|---|
| 27.00% | shut valve [perform operation] |
| 15.45% | shut passage [perform operation] |
| 15.43% | valve [does] shut |
| 12.23% | shut port [perform operation] |
| 4.83% | shut communication [perform operation] |
| 4.60% | shut engine [perform operation] |
| 4.35% | air [location] shut |
| 3.26% | shut chamber [perform operation] |
| 2.39% | shut gas [perform operation] |
| 2.25% | shut pump [perform operation] |
| 1.74% | time [temporal] shut |
| 1.51% | pressure shut |
| 1.42% | means [does] shut |
| 1.31% | shut modal can |
| 1.20% | shut modal will |
| 0.95% | shut modal may |