| Share | Phrase |
| 8.13% | varying [time periodicity] condition |
| 7.17% | varying [time periodicity] degree |
| 6.74% | varying [time periodicity] speed |
| 5.02% | varying [time periodicity] amount |
| 4.16% | varying [time periodicity] pressure |
| 2.61% | varying [time periodicity] portion |
| 2.59% | varying [time periodicity] voltage |
| 2.52% | varying [time periodicity] size |
| 2.44% | varying [time periodicity] rate |
| 2.19% | varying [time periodicity] length |
| 2.00% | varying [time periodicity] load |
| 1.95% | widely varying |
| 1.93% | varying [time periodicity] diameter |
| 1.81% | varying [time periodicity] value |
| 1.77% | varying [time periodicity] height |
| 1.77% | varying [time periodicity] width |
| 1.70% | varying [time periodicity] requirement |
| 1.67% | varying [time periodicity] engine |
| 1.63% | varying [time periodicity] temperature |
| 1.59% | varying [time periodicity] signal |
| 1.50% | varying [time periodicity] means |
| 1.37% | varying [time periodicity] ratio |
| 1.33% | widely [degree] varying |
| 1.32% | varying [time periodicity] embodiment |
| 1.30% | varying [time periodicity] proportion |
| 1.30% | varying [time periodicity] thickness |
| 1.23% | varying [time periodicity] characteristic |
| 1.21% | varying [time periodicity] composition |
| 1.13% | varying [time periodicity] angle |
| 1.12% | varying [time periodicity] depth |
| 1.06% | varying [time periodicity] volume |
| 1.03% | varying [time periodicity] level |
| 0.98% | varying [time periodicity] blockage |
| 0.96% | varying [time periodicity] number |
| 0.95% | varying [time periodicity] flux |
| 0.94% | varying [time periodicity] viscosity |
| 0.92% | varying [time periodicity] configuration |
| 0.89% | varying [time periodicity] shape |
| 0.86% | varying [time periodicity] demand |
| 0.85% | varying [time periodicity] parameter |
| 0.79% | varying [time periodicity] mechanism |
| 0.78% | varying [time periodicity] area |
| 0.73% | varying [time periodicity] quantity |
| 0.73% | varying [time periodicity] force |
| 0.69% | varying [time periodicity] step |
| 0.68% | varying [time periodicity] timing |
| 0.68% | varying [time periodicity] section |
| 0.66% | varying [time periodicity] concentration |
| 0.66% | varying [time periodicity] intensity |
| 0.65% | varying [time periodicity] flow |
| 0.65% | varying [time periodicity] permit |
| 0.65% | varying [time periodicity] stiffness |
| 0.59% | linearly [orientation] varying |
| 0.57% | varying [time periodicity] position |
| 0.56% | varying [time periodicity] content |
| 0.56% | varying [time periodicity] radius |
| 0.51% | varying [time periodicity] capacity |
| 0.48% | varying [time periodicity] delivery |
| 0.48% | varying [time periodicity] mass |
| 0.46% | varying [time periodicity] field |
| 0.46% | varying [time periodicity] steering |
| 0.45% | varying [time periodicity] output |
| 0.44% | varying [time periodicity] cycle |
| 0.41% | varying [time periodicity] distance |
| 0.39% | varying [time periodicity] point |
| 0.38% | varying [time periodicity] range |
| 0.37% | varying [time periodicity] type |
| 0.32% | varying [time periodicity] system |
| 0.25% | slowly [manner] varying |