| Share | Phrase |
|---|
| 27.76% | substitution [reference] repeat |
| 19.25% | make substitution [perform operation] |
| 12.11% | substitution for component |
| 11.71% | mono substitution |
| 7.36% | possible [certainty] substitution |
| 6.49% | substitution [does] occur |
| 3.90% | capable of substitution |
| 3.85% | intend substitution [perform operation] |
| 3.63% | various [similarity] substitution |
| 2.33% | substitution [does] take |
| 1.57% | describe substitution [perform operation] |