| Similarity | Rank | |
|---|---|---|
| covertly | 0.710 | 78815 |
| surreptitiously | 0.692 | 96261 |
| a_secret | 0.649 | 8979 |
| spy_on | 0.598 | 37790 |
| quietly | 0.597 | 7967 |
| clandestine | 0.587 | 57233 |
| spy | 0.586 | 7638 |
| secret | 0.581 | 1938 |
| his_secret | 0.577 | 91192 |
| discreetly | 0.568 | 60488 |
| unknowingly | 0.552 | 47613 |
| covert | 0.550 | 26844 |
| unwittingly | 0.541 | 56207 |
| privately | 0.540 | 14483 |
| their_secret | 0.536 | 65710 |
| willingly | 0.534 | 27771 |
| innocently | 0.529 | 93778 |
| secretive | 0.529 | 39622 |
| pretend_to | 0.528 | 44194 |
| pretend_to_be | 0.528 | 31200 |
| openly | 0.526 | 11182 |
| keep_secret | 0.519 | 81368 |
| top_secret | 0.518 | 96328 |
| foolishly | 0.515 | 90751 |
| silently | 0.515 | 17734 |