| Share | Phrase |
| 9.23% | required [importance] amount |
| 4.68% | required [importance] pressure |
| 4.59% | required [importance] quantity |
| 3.48% | required [importance] force |
| 3.30% | required [importance] torque |
| 3.19% | required [importance] value |
| 3.08% | required [importance] load |
| 2.82% | required [importance] rate |
| 2.53% | required [importance] ratio |
| 2.49% | required [importance] tq |
| 2.31% | required [importance] time |
| 2.30% | required [importance] tcyl |
| 2.29% | required [importance] level |
| 1.50% | required [importance] voltage |
| 1.45% | required [importance] stability |
| 1.41% | required [importance] temperature |
| 1.28% | required [importance] volume |
| 1.27% | required [importance] number |
| 1.19% | required [importance] output |
| 1.11% | required [importance] flow |
| 1.07% | required [importance] fuel |
| 1.06% | required [importance] degree |
| 1.00% | required [importance] power |
| 0.87% | required [importance] range |
| 0.85% | required [importance] timing |
| 0.84% | required [importance] speed |
| 0.83% | required [importance] characteristic |
| 0.82% | required [importance] energy |
| 0.82% | required [importance] current |
| 0.82% | required [importance] distance |
| 0.78% | required [importance] strength |
| 0.76% | required [importance] signal |
| 0.69% | required [importance] rs |
| 0.68% | required [importance] space |
| 0.67% | required [importance] stroke |
| 0.65% | required [importance] effect |
| 0.63% | required [importance] movement |
| 0.63% | required [importance] accuracy |
| 0.61% | required [importance] position |
| 0.60% | required [importance] angle |
| 0.59% | required [importance] operation |
| 0.58% | required [importance] period |
| 0.57% | required [importance] means |
| 0.57% | required [importance] clearance |
| 0.57% | required [importance] pr |
| 0.55% | required [importance] adjustment |
| 0.55% | required [importance] frequency |
| 0.54% | required [importance] property |
| 0.52% | required [importance] capacity |
| 0.51% | required [importance] direction |
| 0.49% | required [importance] length |
| 0.49% | required [importance] function |
| 0.48% | required [importance] reduction |
| 0.46% | required [importance] qr |
| 0.45% | required [importance] condition |
| 0.44% | required [importance] air |
| 0.43% | required [importance] area |
| 0.43% | required [importance] width |
| 0.43% | required [importance] control |
| 0.42% | required [importance] interval |
| 0.42% | required [importance] size |
| 0.42% | required [importance] assist |
| 0.42% | required [importance] dcal |
| 0.41% | required [importance] shape |
| 0.40% | required [importance] displacement |
| 0.38% | required [importance] information |
| 0.38% | required [importance] tcylcr |
| 0.38% | required [importance] tqa |
| 0.37% | required [importance] input |
| 0.37% | required [importance] magnitude |
| 0.36% | required [importance] performance |
| 0.34% | required [importance] richness |
| 0.34% | required [importance] effort |
| 0.32% | required [importance] part |
| 0.30% | required [importance] airflow |
| 0.30% | required [importance] distribution |
| 0.30% | required [importance] efficiency |
| 0.30% | required [importance] pb |
| 0.30% | required [importance] precision |
| 0.30% | required [importance] treq |
| 0.30% | required [importance] relationship |
| 0.29% | required [importance] tau |
| 0.29% | required [importance] dimension |
| 0.27% | required [importance] duration |
| 0.27% | required [importance] change |
| 0.26% | required [importance] cte |
| 0.26% | required [importance] qf |
| 0.26% | required [importance] injection |
| 0.26% | required [importance] service |
| 0.25% | required [importance] mixture |
| 0.24% | required [importance] specification |
| 0.24% | required [importance] connection |
| 0.23% | required [importance] component |
| 0.23% | required [importance] boost |
| 0.23% | required [importance] gt |
| 0.23% | required [importance] sequence |
| 0.23% | required [importance] task |
| 0.22% | required [importance] cycle |
| 0.22% | required [importance] supply |
| 0.22% | required [importance] pad |
| 0.22% | required [importance] correction |
| 0.22% | required [importance] opening |
| 0.21% | required [importance] rigidity |
| 0.21% | required [importance] sealing |
| 0.21% | required [importance] tolerance |
| 0.20% | required [importance] application |
| 0.20% | required [importance] thickness |
| 0.20% | required [importance] action |
| 0.20% | required [importance] rotation |
| 0.20% | required [importance] reaction |
| 0.20% | required [importance] spark |
| 0.20% | required [importance] demand |
| 0.19% | required [importance] cooling |
| 0.19% | required [importance] seal |
| 0.18% | required [importance] mode |
| 0.18% | required [importance] regulation |
| 0.17% | required [importance] parameter |
| 0.17% | required [importance] consumption |
| 0.16% | required [importance] resistance |
| 0.16% | required [importance] valve |
| 0.16% | required [importance] advance |
| 0.16% | required [importance] fluid |
| 0.16% | required [importance] gap |
| 0.16% | required [importance] point |
| 0.16% | required [importance] delivery |
| 0.15% | required [importance] configuration |
| 0.15% | required [importance] pulse |
| 0.14% | required [importance] factor |
| 0.14% | required [importance] heat |
| 0.14% | required [importance] increase |
| 0.14% | required [importance] modification |
| 0.14% | required [importance] path |
| 0.14% | required [importance] variation |
| 0.12% | required [importance] portion |
| 0.09% | only [degree] required |