| Similarity | Rank | |
|---|---|---|
| lead-free | 0.837 | 33442 |
| octane | 0.818 | 43287 |
| unlead | 0.797 | 41005 |
| petrol | 0.782 | 3391 |
| diesel | 0.754 | 4705 |
| carbonflo | 0.753 | 87115 |
| 0-litre | 0.734 | 82917 |
| lean-burn | 0.733 | 82318 |
| leaded | 0.730 | 21794 |
| petrol-engined | 0.725 | 59810 |
| gasoline | 0.723 | 30470 |
| escorts | 0.723 | 66671 |
| turbocharger | 0.718 | 55320 |
| 2-litre | 0.715 | 33275 |
| petrol-powered | 0.714 | 95962 |
| low-sulphur | 0.714 | 51947 |
| fuel-efficient | 0.714 | 84850 |
| sd1 | 0.713 | 85970 |
| rme | 0.712 | 69417 |
| turbo-diesel | 0.709 | 75476 |
| turbocharged | 0.707 | 35418 |
| intercooler | 0.704 | 74511 |
| 8-litre | 0.704 | 51885 |
| fuel-inject | 0.703 | 52331 |
| engined | 0.703 | 45213 |