| Share | Phrase |
| 30.36% | fitting [effectiveness] hole |
| 14.22% | fitting [effectiveness] bore |
| 12.27% | fitting [effectiveness] portion |
| 9.17% | fitting [effectiveness] shell |
| 4.08% | fitting [effectiveness] section |
| 3.47% | fitting [effectiveness] unit |
| 3.40% | fitting [effectiveness] member |
| 3.34% | fitting [effectiveness] configuration |
| 3.18% | fitting [effectiveness] structure |
| 3.14% | fitting [effectiveness] engagement |
| 2.84% | fitting [effectiveness] piston |
| 2.64% | fitting [effectiveness] frame |
| 2.17% | fitting [effectiveness] opening |
| 1.97% | fitting [effectiveness] signal |
| 1.85% | fitting [effectiveness] material |
| 1.83% | tightly [manner] fitting |