| Share | Phrase |
| 12.58% | axis [location] center |
| 2.68% | center arc [perform operation] |
| 2.28% | respect [reference] center |
| 1.81% | point [location] center |
| 1.62% | centerline [location] center |
| 1.56% | center shaft [perform operation] |
| 1.56% | center spool [perform operation] |
| 1.52% | difference [location] center |
| 1.51% | center piston [perform operation] |
| 1.49% | substantially [degree] center |
| 1.47% | pin [location] center |
| 1.44% | center about axis |
| 1.44% | fulcrum [location] center |
| 1.39% | center tubing [perform operation] |
| 1.33% | center [location] center |
| 1.19% | parallel [location] center |
| 1.14% | window [temporal] center |
| 1.14% | line [location] center |
| 1.14% | casing [location] center |
| 1.14% | center portion [perform operation] |
| 1.13% | center cone [perform operation] |
| 1.13% | relative [similarity] center |
| 1.13% | bore [location] center |
| 1.13% | center wheel [perform operation] |
| 1.11% | center element [perform operation] |
| 1.08% | shaft [location] center |
| 1.07% | center air/fuel [perform operation] |
| 1.03% | center surface [perform operation] |
| 1.01% | ratio [location] center |
| 0.99% | center spring [perform operation] |
| 0.96% | edge [location] center |
| 0.95% | center hole [perform operation] |
| 0.95% | value [manner] center |
| 0.93% | center band [perform operation] |
| 0.92% | spring [does] center |
| 0.86% | relation [location] center |
| 0.84% | generally [resume] center |
| 0.83% | center modal will |
| 0.83% | sleeve [connection] center |
| 0.79% | center plate [perform operation] |
| 0.76% | bore [connection] center |
| 0.75% | center pin [perform operation] |
| 0.75% | wheel [location] center |
| 0.74% | plane [location] center |
| 0.73% | center axis [perform operation] |
| 0.72% | description [does] center |
| 0.72% | center description [perform operation] |
| 0.70% | center window [perform operation] |
| 0.70% | slot [location] center |
| 0.69% | center range [perform operation] |
| 0.69% | plug [location] center |
| 0.69% | automatically [manner] center |
| 0.69% | center body [perform operation] |
| 0.67% | center section [perform operation] |
| 0.67% | center disk [perform operation] |
| 0.65% | opening [connection] center |
| 0.65% | center valve [perform operation] |
| 0.65% | center in bore |
| 0.63% | center position [perform operation] |
| 0.63% | center member [perform operation] |
| 0.62% | center structure [perform operation] |
| 0.62% | device [does] center |
| 0.62% | center disc [perform operation] |
| 0.61% | center bore [perform operation] |
| 0.60% | center cavity [perform operation] |
| 0.59% | center opening [perform operation] |
| 0.59% | center tooth [perform operation] |
| 0.58% | center radius [perform operation] |
| 0.58% | center aperture [perform operation] |
| 0.58% | center ring [perform operation] |
| 0.57% | seat [location] center |
| 0.56% | preferably [degree] center |
| 0.54% | member [location] center |
| 0.54% | center passageway [perform operation] |
| 0.52% | center rod [perform operation] |
| 0.52% | center recess [perform operation] |
| 0.50% | means [does] center |
| 0.49% | approximately [degree] center |
| 0.49% | center cable [perform operation] |
| 0.49% | center to serve |
| 0.48% | center frame [perform operation] |
| 0.48% | side [location] center |
| 0.48% | radially [orientation] center |
| 0.48% | center assembly [perform operation] |
| 0.48% | center housing [perform operation] |
| 0.47% | center bearing [perform operation] |
| 0.46% | end [location] center |
| 0.45% | center cam [perform operation] |
| 0.45% | center coil [perform operation] |
| 0.44% | center support [perform operation] |
| 0.44% | center ball [perform operation] |
| 0.44% | center shape [perform operation] |
| 0.43% | center vehicle [perform operation] |
| 0.43% | center configuration [perform operation] |
| 0.43% | position [location] center |
| 0.42% | center load [perform operation] |
| 0.41% | center sleeve [perform operation] |
| 0.40% | ring [does] center |
| 0.40% | center system [perform operation] |
| 0.40% | axially [orientation] center |
| 0.38% | center arm [perform operation] |
| 0.37% | center gear [perform operation] |
| 0.37% | center part [perform operation] |
| 0.37% | center tube [perform operation] |
| 0.36% | center pad [perform operation] |
| 0.35% | force [does] center |
| 0.34% | center mechanism [perform operation] |
| 0.33% | center nozzle [perform operation] |
| 0.30% | center port [perform operation] |
| 0.29% | center to tend |
| 0.25% | center end [perform operation] |
| 0.25% | center means [perform operation] |
| 0.19% | not center |
| 0.17% | center modal can |
| 0.12% | center modal may |