| Share | Phrase |
|---|
| 18.72% | supersonic [physical/chemical] jet |
| 12.18% | supersonic [physical/chemical] nozzle |
| 11.23% | supersonic [physical/chemical] aircraft |
| 10.78% | supersonic [physical/chemical] missile |
| 8.65% | supersonic [physical/chemical] speed |
| 6.43% | supersonic [physical/chemical] velocity |
| 6.28% | supersonic [physical/chemical] wave |
| 5.45% | supersonic [physical/chemical] combustion |
| 5.03% | supersonic [physical/chemical] gun |
| 4.85% | supersonic [physical/chemical] flow |
| 4.31% | supersonic [physical/chemical] airstream |
| 3.89% | supersonic [physical/chemical] inlet |
| 2.14% | supersonic [physical/chemical] condition |