| more rapidly than darwin expected | 9 | manner |
| very rapidly | 4 | manner |
| quickly | 3 | manner |
| evolution → can → occur | 21 |
| evolution → can → happen | 17 |
| evolution → could → occur | 11 |
| evolution → could → happen | 5 |
| negative | neutral | positive |
| 0.140 | 0.618 | 0.243 |
| Raw frequency | 54 |
| Normalized frequency | 0.475 |
| Modifier score | 0.000 |
| Perplexity | 45.111 |