| Share | Phrase |
| 6.28% | sorb substance [perform operation] |
| 5.00% | substance osi |
| 4.72% | toxic [producing effect] substance |
| 3.88% | noxious [producing effect] substance |
| 3.61% | harmful [producing effect] substance |
| 3.53% | foreign [origin/nationality] substance |
| 2.94% | hazing substance |
| 2.54% | substance [does] desorb |
| 2.44% | substance for hydrogen |
| 2.23% | poisonous [producing effect] substance |
| 2.12% | structural [structure] substance |
| 1.84% | basic [importance] substance |
| 1.73% | contain substance [perform operation] |
| 1.53% | damping [time periodicity] substance |
| 1.37% | substance [does] adsorb |
| 1.30% | solid [state] substance |
| 1.29% | substance emission |
| 1.20% | interpolymerizable substance |
| 1.20% | smokable substance |
| 1.20% | tar-like substance |
| 1.18% | remove substance [perform operation] |
| 1.08% | incorporate substance [perform operation] |
| 1.07% | amount substance |
| 1.07% | catalytic [physical/chemical] substance |
| 1.04% | substance by react |
| 0.96% | harmless [producing effect] substance |
| 0.93% | polluting substance |
| 0.90% | substance with water |
| 0.89% | unburned substance |
| 0.80% | volatible substance |
| 0.80% | scrape substance [perform operation] |
| 0.79% | solid [state] substance |
| 0.78% | hydrophobic [physical/chemical] substance |
| 0.75% | radioactive [producing effect] substance |
| 0.74% | invention substance |
| 0.74% | substance [using as instrument] illustrate |
| 0.73% | select substance [perform operation] |
| 0.72% | insoluble [physical/chemical] substance |
| 0.71% | inorganic substance |
| 0.70% | adhesive [touch] substance |
| 0.70% | damping [time periodicity] substance |
| 0.69% | polluting substance |
| 0.69% | substance [location] transform |
| 0.68% | acidic [physical/chemical] substance |
| 0.67% | adsorbed [physical/chemical] substance |
| 0.66% | oxygen-containing substance |
| 0.64% | olefinic [physical/chemical] substance |
| 0.63% | deleterious [producing effect] substance |
| 0.62% | catch substance [perform operation] |
| 0.62% | substance choice |
| 0.61% | volatile [time periodicity] substance |
| 0.61% | trace substance |
| 0.58% | ferromagnetic substance |
| 0.58% | accumulated [increase] substance |
| 0.56% | reduce substance [perform operation] |
| 0.52% | flammable substance |
| 0.52% | substance [does] oxidize |
| 0.47% | substance [does] take up |
| 0.47% | magnetic [physical/chemical] substance |
| 0.46% | substance concentration |
| 0.46% | hazardous [producing effect] substance |
| 0.46% | chemical [domain related] substance |
| 0.46% | particulate substance |
| 0.46% | characterize in substance [perform operation] |
| 0.44% | condense substance [perform operation] |
| 0.43% | substance accumulation |
| 0.42% | inert substance |
| 0.42% | substance amount |
| 0.41% | polymeric [structure] substance |
| 0.41% | polar [similarity] substance |
| 0.41% | embodiment [is] substance |
| 0.40% | eliminate substance [perform operation] |
| 0.40% | substance [does] adhere |
| 0.39% | process substance [perform operation] |
| 0.39% | compressible [physical/chemical] substance |
| 0.38% | synthetic [origin] substance |
| 0.38% | substance [attribute] present |
| 0.36% | make of substance |
| 0.35% | substance [does] contain |
| 0.35% | particle substance |
| 0.34% | substance in gas |
| 0.33% | free of substance |
| 0.31% | suitable [effectiveness] substance |
| 0.31% | use substance [perform operation] |
| 0.31% | add substance [perform operation] |
| 0.31% | determine substance [perform operation] |
| 0.31% | working [functioning] substance |
| 0.30% | least [degree] substance |
| 0.29% | undesirable [evaluation] substance |
| 0.28% | substance removal |
| 0.27% | mix substance [perform operation] |
| 0.26% | ignition substance |
| 0.26% | form substance [perform operation] |
| 0.25% | know substance [perform operation] |
| 0.25% | prevent substance [perform operation] |
| 0.25% | substance [does] generate |
| 0.24% | substance [does] fall |
| 0.24% | ignite substance [perform operation] |
| 0.24% | liquid [state] substance |
| 0.23% | present [chronology] substance |
| 0.22% | substance [does] lie |
| 0.22% | substance content |
| 0.22% | inject substance [perform operation] |
| 0.22% | carry substance [perform operation] |
| 0.22% | substance reduction |
| 0.21% | substance quantity |
| 0.21% | include substance [perform operation] |
| 0.21% | substance reaction |
| 0.20% | substance layer |
| 0.20% | introduce substance [perform operation] |
| 0.20% | derive substance [perform operation] |
| 0.18% | substance [temporal] have |
| 0.17% | substance [does] have |
| 0.17% | substance [does] form |
| 0.16% | constitute substance [perform operation] |
| 0.16% | substance [does] provide |
| 0.16% | produce substance [perform operation] |
| 0.15% | quantity substance |
| 0.14% | substance [does] make |
| 0.14% | comprise substance [perform operation] |
| 0.11% | substance have |
| 0.10% | substance [does] cause |
| 0.10% | provide substance [perform operation] |
| 0.09% | substance [does] comprise |
| 0.07% | fuel substance |
| 0.05% | not substance |