| Similarity | Rank | |
|---|---|---|
| counterintelligence | 0.797 | 97942 |
| Espionage | 0.790 | 81170 |
| covert | 0.777 | 19630 |
| clandestine | 0.745 | 31163 |
| spying | 0.743 | 20954 |
| spy | 0.734 | 9669 |
| anti-terrorist | 0.730 | 93721 |
| conspiracy | 0.726 | 8965 |
| MI6 | 0.721 | 65381 |
| conspiracies | 0.721 | 43107 |
| assassinations | 0.719 | 42499 |
| money-laundering | 0.718 | 96196 |
| counter-terrorism | 0.715 | 54278 |
| CIA | 0.715 | 9037 |
| CIA's | 0.708 | 49798 |
| cybercrime | 0.708 | 64029 |
| subterfuge | 0.705 | 60928 |
| C.I.A. | 0.705 | 70543 |
| eavesdropping | 0.703 | 47050 |
| wiretapping | 0.702 | 69167 |
| spies | 0.701 | 22486 |
| blackmail | 0.699 | 31422 |
| undercover | 0.696 | 20065 |
| top-secret | 0.692 | 62418 |
| smuggling | 0.691 | 22742 |