| through the ages | 9 | temporal |
| in europe | 2 | location |
| opal → symbolize → purity | 9 |
| opal → represent → purity | 8 |
| opal → symbolized → purity | 7 |
| opal → symbolise → purity | 3 |
| negative | neutral | positive |
| 0.013 | 0.384 | 0.603 |
| Raw frequency | 27 |
| Normalized frequency | 0.636 |
| Modifier score | 0.500 |
| Perplexity | 90.091 |