| Share | Phrase |
| 8.28% | relationship [connection] constrain |
| 7.93% | constrain movement [perform operation] |
| 6.16% | volume within constrain |
| 5.78% | constrain wheel [perform operation] |
| 5.39% | constrain against movement |
| 4.63% | means [does] constrain |
| 4.61% | constrain tire [perform operation] |
| 4.16% | constrain piston [perform operation] |
| 4.13% | volume [attribute] constrain |
| 3.19% | constrain axle [perform operation] |
| 3.15% | constrain tube [perform operation] |
| 2.94% | movement [purpose] constrain |
| 2.92% | constrain member [perform operation] |
| 2.82% | constrain chain [perform operation] |
| 2.71% | constrain distributor [perform operation] |
| 2.62% | constrain height [perform operation] |
| 2.49% | constrain rotation [perform operation] |
| 2.23% | constrain shaft [perform operation] |
| 2.12% | direction [location] constrain |
| 2.08% | constrain end [perform operation] |
| 1.95% | constrain spring [perform operation] |
| 1.94% | member [does] constrain |
| 1.87% | constrain arm [perform operation] |
| 1.87% | pin [does] constrain |
| 1.59% | constrain means [perform operation] |
| 1.56% | not constrain |
| 1.55% | constrain fuel [perform operation] |
| 1.44% | constrain device [perform operation] |
| 1.31% | constrain element [perform operation] |
| 1.30% | portion [does] constrain |
| 1.28% | constrain flow [perform operation] |
| 1.16% | substantially [degree] constrain |
| 0.67% | constrain modal will |