| Similarity | Rank | |
|---|---|---|
| rarely | 0.865 | 3388 |
| infrequently | 0.759 | 26993 |
| hardly | 0.750 | 3278 |
| often | 0.739 | 255 |
| invariably | 0.736 | 12595 |
| sometimes | 0.724 | 780 |
| scarcely | 0.708 | 15622 |
| never | 0.697 | 214 |
| oftener | 0.693 | 93032 |
| frequently | 0.693 | 2069 |
| occasionally | 0.685 | 4301 |
| Seldom | 0.679 | 60241 |
| always | 0.670 | 212 |
| doubtless | 0.658 | 23088 |
| generally | 0.655 | 999 |
| neither | 0.647 | 2636 |
| evidently | 0.646 | 12455 |
| though | 0.646 | 291 |
| Scarcely | 0.643 | 83153 |
| usually | 0.643 | 429 |
| hitherto | 0.642 | 22680 |
| however | 0.640 | 459 |
| habitually | 0.639 | 31848 |
| oftentimes | 0.638 | 18587 |
| ordinarily | 0.634 | 14759 |