| Similarity | Rank | |
|---|---|---|
| by-product | 0.953 | 30606 |
| byproducts | 0.872 | 42005 |
| by-products | 0.840 | 36336 |
| naturally-occurring | 0.689 | 94684 |
| toxic | 0.686 | 5541 |
| fuels | 0.680 | 9417 |
| decomposition | 0.659 | 30376 |
| additive | 0.655 | 22359 |
| precursor | 0.654 | 20355 |
| sulfide | 0.653 | 49224 |
| inorganic | 0.653 | 28012 |
| substance | 0.647 | 3834 |
| pollutes | 0.647 | 89646 |
| tasteless | 0.645 | 35591 |
| catalyst | 0.645 | 13449 |
| sulfur | 0.643 | 22001 |
| overproduction | 0.643 | 61175 |
| precursors | 0.642 | 38270 |
| carbon-based | 0.642 | 97409 |
| compounds | 0.641 | 7398 |
| catalyzed | 0.639 | 72084 |
| deleterious | 0.638 | 44278 |
| rancid | 0.635 | 46986 |
| inert | 0.633 | 29045 |
| wastes | 0.633 | 16174 |