| Share | Phrase |
|---|
| 19.97% | unnecessary [importance] it |
| 8.94% | unnecessary [importance] description |
| 8.89% | unnecessary [importance] make |
| 7.65% | unnecessary [importance] become |
| 4.11% | unnecessary to provide |
| 2.89% | unnecessary [importance] repetition |
| 2.89% | unnecessary [importance] wear |
| 2.70% | unnecessary [importance] limitation |
| 2.47% | unnecessary [importance] operation |
| 2.21% | unnecessary [importance] lubrication |
| 2.19% | unnecessary to use |
| 2.04% | unnecessary [importance] drain |
| 1.92% | unnecessary [importance] render |
| 1.82% | unnecessary [importance] control |
| 1.77% | unnecessary for understanding |
| 1.65% | unnecessary [importance] consumption |
| 1.62% | unnecessary [importance] believe |
| 1.62% | unnecessary [importance] deem |
| 1.44% | unnecessary [importance] use |
| 1.22% | unnecessary [importance] cost |
| 1.14% | unnecessary [importance] stress |
| 1.07% | unnecessary [importance] increase |
| 1.03% | unnecessary [importance] purification |
| 1.02% | unnecessary [importance] inspection |
| 1.01% | unnecessary [importance] heating |
| 1.00% | unnecessary [importance] weight |
| 0.98% | unnecessary [importance] fuel |
| 0.96% | unnecessary [importance] loss |
| 0.86% | unnecessary to employ |
| 0.84% | unnecessary [importance] friction |
| 0.83% | unnecessary [importance] valve |
| 0.81% | unnecessary to seal |
| 0.77% | unnecessary [importance] correction |
| 0.77% | unnecessary [importance] force |
| 0.76% | unnecessary [importance] expense |
| 0.75% | unnecessary [importance] delay |
| 0.72% | unnecessary [importance] work |
| 0.64% | unnecessary 233 carry |
| 0.64% | unnecessary [importance] component |
| 0.58% | unnecessary [importance] amount |
| 0.58% | unnecessary for driver |
| 0.58% | unnecessary to perform |
| 0.50% | unnecessary [importance] system |
| 0.48% | unnecessary to make |
| 0.45% | unnecessary [importance] part |