| Similarity | Rank | |
|---|---|---|
| vapors | 0.895 | 41277 |
| vapours | 0.851 | 83502 |
| soot | 0.836 | 34824 |
| smoke | 0.809 | 3108 |
| gasses | 0.799 | 45276 |
| fume | 0.796 | 56350 |
| flammable | 0.785 | 32497 |
| monoxide | 0.781 | 23477 |
| odors | 0.772 | 22692 |
| stench | 0.771 | 29823 |
| inhaling | 0.770 | 29107 |
| gases | 0.763 | 11662 |
| combustible | 0.763 | 44898 |
| vapour | 0.756 | 35280 |
| odours | 0.750 | 57007 |
| acrid | 0.749 | 60454 |
| particulates | 0.748 | 55487 |
| solvents | 0.742 | 29089 |
| dusts | 0.735 | 72286 |
| inhalation | 0.729 | 27961 |
| irritants | 0.727 | 43462 |
| kerosene | 0.726 | 35544 |
| vapor | 0.723 | 13070 |
| ammonia | 0.723 | 21773 |
| odor | 0.722 | 11785 |