| Share | Phrase |
| 14.99% | combust fuel [perform operation] |
| 11.66% | combust mixture [perform operation] |
| 3.10% | combust in engine |
| 2.98% | completely [degree] combust |
| 2.91% | combust air [perform operation] |
| 2.57% | combust gas [perform operation] |
| 1.92% | method [does] combust |
| 1.89% | presence [location] combust |
| 1.72% | incompletely [degree] combust |
| 1.64% | combust in chamber |
| 1.58% | combust ratio [perform operation] |
| 1.52% | fuel [does] combust |
| 1.40% | combust hydrocarbon [perform operation] |
| 1.37% | partially [degree] combust |
| 1.21% | combust chamber [perform operation] |
| 1.21% | engine [does] combust |
| 1.09% | combust in combustor |
| 1.06% | means [does] combust |
| 1.06% | combust [temporal] derive |
| 1.06% | burner [does] combust |
| 0.98% | spontaneously [manner] combust |
| 0.97% | combust hydrogen [perform operation] |
| 0.96% | efficiently [degree] combust |
| 0.96% | amount [does] combust |
| 0.91% | fully [degree] combust |
| 0.90% | gasifier [does] combust |
| 0.90% | totally [degree] combust |
| 0.83% | mixture [does] combust |
| 0.83% | combust premixture [perform operation] |
| 0.83% | so [resume] combust |
| 0.81% | air [using as instrument] combust |
| 0.80% | chamber [does] combust |
| 0.78% | combust modal can |
| 0.73% | temperature [does] combust |
| 0.72% | oxygen [does] combust |
| 0.71% | combust stream [perform operation] |
| 0.71% | properly [manner] combust |
| 0.69% | combust particle [perform operation] |
| 0.69% | not combust |
| 0.68% | combust in furnace |
| 0.67% | combust pollutant [perform operation] |
| 0.64% | generate by combust |
| 0.64% | air [does] combust |
| 0.62% | combust oxygen [perform operation] |
| 0.59% | gas [does] combust |
| 0.57% | fuel [using as instrument] combust |
| 0.57% | combust accumulation [perform operation] |
| 0.56% | combust in cylinder |
| 0.56% | spark [does] combust |
| 0.56% | combust [location] deliver |
| 0.56% | combust lean [perform operation] |
| 0.55% | ignition [does] combust |
| 0.54% | stably [manner] combust |
| 0.54% | combust modal will |
| 0.53% | combust combustion [perform operation] |
| 0.52% | atmosphere [does] combust |
| 0.52% | combust portion [perform operation] |
| 0.51% | combust in converter |
| 0.50% | combust monoxide [perform operation] |
| 0.50% | first [temporal] combust |
| 0.47% | combust flow [perform operation] |
| 0.47% | combust material [perform operation] |
| 0.45% | stroke [temporal] combust |
| 0.45% | combust product [perform operation] |
| 0.45% | apparatus [does] combust |
| 0.43% | combust oil [perform operation] |
| 0.40% | combust engine [perform operation] |
| 0.40% | process [does] combust |
| 0.39% | engine in combust |
| 0.38% | combust amount [perform operation] |
| 0.37% | engine [attribute] combust |
| 0.37% | system [does] combust |
| 0.37% | combust vapor [perform operation] |
| 0.36% | combust exhaust [perform operation] |
| 0.35% | combust latter [perform operation] |
| 0.34% | relate for combust |
| 0.34% | combust gasoline [perform operation] |
| 0.33% | combust within chamber |
| 0.33% | manner [manner] combust |
| 0.31% | combust function [perform operation] |
| 0.31% | combust fluid [perform operation] |
| 0.31% | rapidly [manner] combust |
| 0.30% | capable of combust |
| 0.29% | arrangement [does] combust |
| 0.29% | substantially [degree] combust |
| 0.29% | combust charge [perform operation] |
| 0.28% | combust modal may |
| 0.27% | prior [temporal] combust |
| 0.27% | operation [temporal] combust |
| 0.27% | state [location] combust |
| 0.26% | combust force [perform operation] |
| 0.25% | combust ratio |
| 0.25% | provide for combust |
| 0.24% | step [does] combust |
| 0.23% | combust component [perform operation] |
| 0.23% | easily [manner] combust |
| 0.22% | combust element [perform operation] |
| 0.22% | combust value [perform operation] |
| 0.22% | chamber combust |
| 0.21% | assembly [does] combust |
| 0.21% | device [does] combust |
| 0.19% | nozzle combust |
| 0.19% | together [manner] combust |
| 0.18% | gas combust |
| 0.17% | more [degree] combust |