| Share | Phrase |
|---|
| 12.14% | propellant trail |
| 9.26% | sustainer propellant |
| 5.56% | propellant tablet |
| 5.53% | propellant sleeve |
| 4.98% | propellant fluid |
| 4.54% | ignite propellant [perform operation] |
| 4.20% | solid [state] propellant |
| 4.18% | propellant grain |
| 3.74% | propellant mixture |
| 3.73% | propellant [does] deposit |
| 3.68% | propellant injector |
| 3.45% | propellant component |
| 3.04% | propellant gas |
| 2.96% | cold [temperature] propellant |
| 2.65% | cooling [temperature] propellant |
| 2.55% | distribute propellant [perform operation] |
| 2.41% | propellant combustion |
| 2.33% | contain propellant [perform operation] |
| 2.30% | propellant charge |
| 2.23% | propellant tank |
| 1.65% | propellant motor |
| 1.53% | inject propellant [perform operation] |
| 1.51% | liquid [state] propellant |
| 1.50% | activate propellant [perform operation] |
| 1.38% | carry propellant [perform operation] |
| 1.36% | store propellant [perform operation] |
| 1.32% | propellant material |
| 1.27% | internal [location] propellant |
| 0.91% | propellant circuit |
| 0.89% | flow propellant |
| 0.57% | use propellant [perform operation] |
| 0.48% | provide propellant [perform operation] |