| periodically | 10 | temporal |
| depending on the manufacturer’s instructions | 9 | other |
| often | 6 | degree |
| filter → be → washed | 151 |
| filter → be washed with → water | 7 |
| filter → be washed with → clean water | 3 |
| filter → be washed in → water | 3 |
| filter → wash with → water | 3 |
| negative | neutral | positive |
| 0.155 | 0.711 | 0.135 |
| Raw frequency | 167 |
| Normalized frequency | 0.665 |
| Modifier score | 0.509 |
| Perplexity | 322.224 |