| to the naked eye | 17 | transitive-object |
| completely | 9 | degree |
| in normal light | 8 | location |
| ink → be → invisible | 41 |
| ink → become → invisible | 10 |
| negative | neutral | positive |
| 0.178 | 0.672 | 0.149 |
| Raw frequency | 51 |
| Normalized frequency | 0.594 |
| Modifier score | 0.800 |
| Perplexity | 222.809 |