| Similarity | Rank | |
|---|---|---|
| tunnel | 0.822 | 7034 |
| Tunnels | 0.795 | 63839 |
| passageways | 0.793 | 51897 |
| tunneling | 0.769 | 53583 |
| caverns | 0.745 | 37863 |
| underground | 0.737 | 5798 |
| corridors | 0.733 | 17452 |
| bridges | 0.733 | 8575 |
| tunnelling | 0.719 | 78067 |
| pylons | 0.716 | 67695 |
| subterranean | 0.705 | 33296 |
| towers | 0.703 | 9573 |
| aqueducts | 0.702 | 95641 |
| gates | 0.699 | 8324 |
| ditches | 0.698 | 34009 |
| alleys | 0.697 | 28624 |
| labyrinths | 0.697 | 91567 |
| sewers | 0.695 | 32294 |
| snaking | 0.694 | 60425 |
| alleyways | 0.693 | 56730 |
| labyrinth | 0.692 | 28546 |
| caves | 0.688 | 13377 |
| overpasses | 0.688 | 95152 |
| embankments | 0.688 | 85289 |
| canals | 0.686 | 19257 |