| Share | Phrase |
| 15.64% | impregnate mat [perform operation] |
| 10.63% | resin [using as instrument] impregnate |
| 9.38% | impregnate with solution |
| 8.01% | material [using as instrument] impregnate |
| 6.88% | metal [using as instrument] impregnate |
| 6.32% | particle [using as instrument] impregnate |
| 5.99% | impregnate mat |
| 5.67% | catalyst [using as instrument] impregnate |
| 5.16% | impregnate material [perform operation] |
| 3.37% | impregnate fiber [perform operation] |
| 3.16% | impregnate powder [perform operation] |
| 3.03% | impregnate support [perform operation] |
| 2.78% | impregnate layer [perform operation] |
| 2.25% | impregnate substrate [perform operation] |
| 2.01% | impregnate modal may |
| 1.88% | impregnate metal [perform operation] |
| 1.81% | impregnate surface [perform operation] |
| 1.69% | impregnate winding [perform operation] |
| 1.62% | step [does] impregnate |
| 1.58% | direction [location] impregnate |
| 1.03% | impregnate modal can |