| purely | 7 | degree |
| technically | 4 | manner |
| in usual | 4 | other |
| tip → be → voluntary | 23 |
| tip → be → voluntary payment | 6 |
| tip → be → voluntary amounts | 4 |
| negative | neutral | positive |
| 0.155 | 0.727 | 0.118 |
| Raw frequency | 33 |
| Normalized frequency | 0.399 |
| Modifier score | 0.500 |
| Perplexity | 253.950 |