| Similarity | Rank | |
|---|---|---|
| fumes | 0.796 | 20241 |
| vapors | 0.790 | 41277 |
| vapours | 0.781 | 83502 |
| soot | 0.734 | 34824 |
| vapour | 0.721 | 35280 |
| scrubbers | 0.714 | 91481 |
| smoke | 0.713 | 3108 |
| exhaust | 0.705 | 9598 |
| flue | 0.704 | 38443 |
| ventilating | 0.702 | 89830 |
| vapor | 0.695 | 13070 |
| particulates | 0.694 | 55487 |
| gasses | 0.693 | 45276 |
| autoclave | 0.682 | 92769 |
| butane | 0.682 | 64637 |
| argon | 0.677 | 60540 |
| venting | 0.677 | 31844 |
| combustion | 0.675 | 15295 |
| ammonia | 0.670 | 21773 |
| furnaces | 0.668 | 30904 |
| gases | 0.667 | 11662 |
| humidifiers | 0.667 | 75357 |
| vent | 0.667 | 13532 |
| monoxide | 0.665 | 23477 |
| dusts | 0.664 | 72286 |