| Share | Phrase |
| 20.58% | shaft [connection] key |
| 13.01% | key gear [perform operation] |
| 4.35% | gear [connection] key |
| 4.03% | hub [connection] key |
| 3.12% | end [connection] key |
| 3.03% | slidably [motion] key |
| 2.55% | key hub [perform operation] |
| 2.33% | suitably [degree] key |
| 2.21% | key set [perform operation] |
| 2.18% | housing [connection] key |
| 2.15% | sleeve [connection] key |
| 1.98% | movement [purpose] key |
| 1.97% | key plate [perform operation] |
| 1.90% | set [connection] key |
| 1.84% | rotation [purpose] key |
| 1.72% | key carrier [perform operation] |
| 1.69% | key sprocket [perform operation] |
| 1.68% | key disc [perform operation] |
| 1.66% | key rotor [perform operation] |
| 1.64% | plurality [connection] key |
| 1.64% | key member [perform operation] |
| 1.60% | member [connection] key |
| 1.49% | alternately [manner] key |
| 1.28% | key generator [perform operation] |
| 1.21% | key plurality [perform operation] |
| 1.21% | key code [perform operation] |
| 1.18% | key wheel [perform operation] |
| 1.16% | surface [connection] key |
| 1.16% | key housing [perform operation] |
| 1.09% | key shaft [perform operation] |
| 1.08% | switch [does] key |
| 1.07% | key on shaft |
| 1.00% | key in turn |
| 0.95% | wheel [connection] key |
| 0.94% | key block [perform operation] |
| 0.92% | portion [connection] key |
| 0.90% | key driver [perform operation] |
| 0.80% | key piston [perform operation] |
| 0.71% | key body [perform operation] |
| 0.61% | key end [perform operation] |
| 0.56% | together [manner] key |
| 0.52% | key section [perform operation] |
| 0.42% | manner [manner] key |
| 0.41% | key modal may |
| 0.23% | key modal can |