| Share | Phrase |
| 10.07% | seal off chamber [perform operation] |
| 4.80% | seal [does] seal off |
| 4.70% | seal off piston [perform operation] |
| 3.54% | gasket [does] seal off |
| 3.35% | atmosphere [location] seal off |
| 3.26% | seal off interior [perform operation] |
| 2.78% | ring [does] seal off |
| 2.63% | seal off from chamber |
| 2.49% | seal off bore [perform operation] |
| 2.30% | seal off port [perform operation] |
| 2.22% | seal off passageway [perform operation] |
| 2.15% | respect [reference] seal off |
| 2.15% | o-ring [does] seal off |
| 2.13% | seal off end [perform operation] |
| 2.10% | seal off communication [perform operation] |
| 2.09% | seal off flow [perform operation] |
| 1.95% | completely [degree] seal off |
| 1.91% | seal off space [perform operation] |
| 1.79% | seal off opening [perform operation] |
| 1.72% | seal off line [perform operation] |
| 1.70% | surface [location] seal off |
| 1.68% | piston [does] seal off |
| 1.65% | seal off flange [perform operation] |
| 1.50% | outside [location] seal off |
| 1.46% | seal off groove [perform operation] |
| 1.42% | seal off insert [perform operation] |
| 1.39% | automatically [manner] seal off |
| 1.37% | seat [does] seal off |
| 1.33% | seal off tank [perform operation] |
| 1.32% | wall [does] seal off |
| 1.29% | shoulder [does] seal off |
| 1.27% | seal off rod [perform operation] |
| 1.21% | slidably [motion] seal off |
| 1.20% | recess [does] seal off |
| 1.20% | fall [temporal] seal off |
| 1.16% | seal off conduit [perform operation] |
| 1.15% | seal off area [perform operation] |
| 1.12% | wall [location] seal off |
| 1.11% | position [does] seal off |
| 1.10% | space [location] seal off |
| 1.10% | element [does] seal off |
| 1.04% | seal off section [perform operation] |
| 0.99% | seal off inlet [perform operation] |
| 0.91% | seal off passage [perform operation] |
| 0.90% | side [location] seal off |
| 0.90% | seal off housing [perform operation] |
| 0.83% | manner [manner] seal off |
| 0.81% | effectively [degree] seal off |
| 0.76% | relative [similarity] seal off |
| 0.73% | member [does] seal off |
| 0.65% | valve [does] seal off |
| 0.64% | seal off portion [perform operation] |
| 0.59% | seal off cylinder [perform operation] |
| 0.52% | means seal off |
| 0.50% | seal off fuel [perform operation] |
| 0.45% | means [does] seal off |
| 0.38% | seal off modal will |
| 0.29% | not seal off |