| Share | Phrase |
| 11.63% | fluid [does] flow back |
| 6.57% | fuel [does] flow back |
| 4.28% | oil [does] flow back |
| 3.30% | flow back modal can |
| 2.81% | cylinder flow back |
| 2.77% | tank [location] flow back |
| 2.57% | flow back to tank |
| 2.48% | gas [does] flow back |
| 2.36% | chamber [location] flow back |
| 2.33% | release [temporal] flow back |
| 2.22% | medium [does] flow back |
| 2.14% | flow back to coil |
| 2.06% | coolant [does] flow back |
| 2.02% | reservoir flow back |
| 2.00% | flow back to cylinder |
| 1.94% | tank flow back |
| 1.86% | flow back under gravity |
| 1.78% | out [location] flow back |
| 1.66% | flow back through passage |
| 1.64% | line flow back |
| 1.62% | chamber flow back |
| 1.49% | cylinder [location] flow back |
| 1.48% | conduit flow back |
| 1.37% | valve flow back |
| 1.24% | flow back through valve |
| 1.15% | air [does] flow back |
| 1.11% | system [location] flow back |
| 1.06% | flow back to reservoir |
| 0.96% | valve [does] flow back |
| 0.95% | flow back through channel |
| 0.93% | container [location] flow back |
| 0.93% | flow back for prevent |
| 0.91% | way flow back |
| 0.91% | flow back during stroke |
| 0.90% | flow back through conduit |
| 0.90% | passage flow back |
| 0.86% | mixture [does] flow back |
| 0.84% | container flow back |
| 0.83% | never [temporal] flow back |
| 0.82% | open [temporal] flow back |
| 0.82% | flow back ADVP next |
| 0.80% | reservoir [location] flow back |
| 0.79% | flow back to side |
| 0.79% | flow [does] flow back |
| 0.79% | flow back modal will |
| 0.74% | flow back to chamber |
| 0.73% | pump flow back |
| 0.72% | able to flow back |
| 0.71% | water [does] flow back |
| 0.70% | flow back through line |
| 0.68% | quantity [does] flow back |
| 0.67% | unit flow back |
| 0.63% | space flow back |
| 0.63% | flow back from chamber |
| 0.61% | passage [location] flow back |
| 0.60% | pressure [does] flow back |
| 0.54% | now [temporal] flow back |
| 0.54% | opening flow back |
| 0.52% | pipe flow back |
| 0.50% | channel flow back |
| 0.49% | period [temporal] flow back |
| 0.49% | port flow back |
| 0.48% | means [does] flow back |
| 0.43% | not flow back |
| 0.41% | engine flow back |
| 0.41% | chamber [does] flow back |
| 0.32% | result [resume] flow back |
| 0.30% | manner [manner] flow back |
| 0.29% | time [temporal] flow back |
| 0.29% | brake flow back |
| 0.29% | pressure flow back |
| 0.24% | flow back modal may |