| Share | Phrase |
| 30.81% | pressure [does] act on |
| 9.68% | act on piston [perform operation] |
| 8.18% | force [does] act on |
| 6.79% | act on area [perform operation] |
| 6.53% | constantly [temporal] act on |
| 5.60% | act on valve [perform operation] |
| 4.64% | spring [does] act on |
| 4.29% | act on face [perform operation] |
| 4.10% | spring [temporal] act on |
| 3.55% | act on flow [perform operation] |
| 2.84% | act on surface [perform operation] |
| 2.68% | act on body [perform operation] |
| 2.54% | piston [does] act on |
| 2.50% | act on member [perform operation] |
| 2.29% | act on end [perform operation] |
| 1.96% | act on modal can |
| 0.96% | not act on |