| Share | Phrase |
| 10.48% | diluent 0 normally liquid |
| 10.48% | diluent 0 substantially |
| 7.69% | reaction diluent |
| 5.78% | diluent oil |
| 5.12% | liquid [state] diluent |
| 5.07% | inert diluent |
| 4.86% | diluent [attribute] reactant |
| 4.85% | diluent stream |
| 4.55% | diluent in reactant |
| 4.48% | diluent [using as instrument] dilute |
| 4.23% | organic diluent |
| 3.98% | diluent [is] oil |
| 3.95% | diluent throttle |
| 3.44% | hydrocarbon diluent |
| 3.14% | diluent air |
| 2.88% | soluble [physical/chemical] diluent |
| 2.80% | feed diluent [perform operation] |
| 2.53% | reactant diluent |
| 2.35% | normally [typicality] diluent |
| 1.78% | suitable [effectiveness] diluent |
| 1.48% | comprise diluent [perform operation] |
| 1.35% | oil diluent |
| 1.16% | diluent gas |
| 0.55% | use diluent [perform operation] |
| 0.52% | diluent [does] include |
| 0.40% | include diluent [perform operation] |