| Share | Phrase |
| 18.12% | reactive [physical/chemical] force |
| 11.99% | reactive [physical/chemical] compound |
| 7.86% | reactive [physical/chemical] group |
| 6.81% | reactive [physical/chemical] moiety |
| 5.21% | reactive [physical/chemical] torque |
| 4.33% | reactive [physical/chemical] metal |
| 3.96% | reactive [physical/chemical] polyisobutylene |
| 2.78% | reactive [physical/chemical] species |
| 2.29% | reactive [physical/chemical] piston |
| 2.27% | reactive [physical/chemical] material |
| 1.75% | reactive [physical/chemical] plunger |
| 1.71% | reactive [physical/chemical] equivalent |
| 1.54% | reactive [physical/chemical] motor |
| 1.37% | reactive [physical/chemical] ethylene |
| 1.33% | reactive [physical/chemical] atom |
| 1.30% | reactive [physical/chemical] component |
| 1.21% | reactive [physical/chemical] site |
| 1.19% | reactive [physical/chemical] moment |
| 1.18% | group [attribute] reactive |
| 1.13% | reactive [physical/chemical] polymer |
| 1.09% | reactive [physical/chemical] monomer |
| 1.06% | reactive to compound |
| 1.02% | reactive [physical/chemical] switch |
| 0.97% | reactive with component |
| 0.96% | reactive [physical/chemical] molecule |
| 0.96% | reactive [physical/chemical] reactant |
| 0.91% | reactive [physical/chemical] product |
| 0.90% | reactive [physical/chemical] constituent |
| 0.79% | reactive [physical/chemical] carbonate |
| 0.79% | reactive [physical/chemical] hydrogen |
| 0.79% | reactive [physical/chemical] interface |
| 0.79% | reactive [physical/chemical] shoulder |
| 0.77% | reactive [physical/chemical] gas |
| 0.75% | reactive [physical/chemical] number |
| 0.73% | highly reactive |
| 0.67% | reactive [physical/chemical] converter |
| 0.65% | reactive [physical/chemical] system |
| 0.61% | reactive [physical/chemical] pump |
| 0.59% | reactive [physical/chemical] mixture |
| 0.58% | reactive [physical/chemical] body |
| 0.57% | reactive [physical/chemical] effect |
| 0.55% | highly [degree] reactive |
| 0.54% | reactive [physical/chemical] resistance |
| 0.51% | reactive [physical/chemical] surface |
| 0.47% | reactive [physical/chemical] fuel |
| 0.44% | reactive [physical/chemical] chamber |
| 0.41% | reactive [physical/chemical] signal |
| 0.37% | reactive [physical/chemical] member |
| 0.17% | more [degree] reactive |