| Share | Phrase |
| 14.04% | opposing [similarity] surface |
| 13.32% | opposing [similarity] wall |
| 12.24% | opposing [similarity] force |
| 12.12% | opposing [similarity] side |
| 6.52% | opposing [similarity] face |
| 6.49% | opposing [similarity] portion |
| 4.16% | opposing [similarity] bore |
| 3.41% | opposing [similarity] direction |
| 3.41% | opposing [similarity] end |
| 2.82% | opposing [similarity] pad |
| 2.68% | mutually opposing |
| 2.62% | opposing [similarity] groove |
| 2.57% | opposing [similarity] flange |
| 2.49% | opposing [similarity] edge |
| 2.47% | opposing [similarity] relationship |
| 2.28% | opposing [similarity] pressure |
| 2.25% | opposing [similarity] torque |
| 2.05% | opposing [similarity] chamber |
| 1.96% | opposing [similarity] part |