| Similarity | Rank | |
|---|---|---|
| Can | 0.846 | 1401 |
| Ought | 0.845 | 47170 |
| Could | 0.812 | 3970 |
| Would | 0.810 | 2837 |
| Do | 0.807 | 360 |
| Why | 0.792 | 746 |
| Tend | 0.785 | 40511 |
| Must | 0.776 | 7740 |
| Will | 0.776 | 1785 |
| Might | 0.769 | 11696 |
| Need | 0.769 | 5932 |
| To | 0.759 | 232 |
| Want | 0.754 | 5904 |
| You | 0.751 | 107 |
| How | 0.750 | 349 |
| Likely | 0.750 | 27597 |
| Require | 0.748 | 31918 |
| Reasons | 0.738 | 16051 |
| should | 0.737 | 115 |
| Be | 0.736 | 1405 |
| Never | 0.736 | 3702 |
| Does | 0.736 | 2134 |
| Failing | 0.730 | 27453 |
| Afford | 0.723 | 76630 |
| Have | 0.722 | 1425 |