| Relevance | Word | Links |
| 100.00% | stratified-charge | Concordance - Matched context |
| 67.56% | two-stroke | Concordance - Matched context |
| 57.33% | six-cylinder | |
| 53.39% | pump-back | Concordance - Matched context |
| 52.36% | four-stroke | Concordance - Matched context |
| 50.49% | diffusive | |
| 50.49% | disordered | |
| 50.49% | hypergolic | |
| 50.49% | mixture/stratified | |
| 50.49% | non-knocking | |
| 50.49% | self-sustaining | |
| 50.49% | semi-stratified | |
| 50.49% | smoke-free | |
| 50.49% | spark-assisted | |
| 47.15% | aero | |
| 47.15% | air-breathing | |
| 47.15% | air-compressing | |
| 47.15% | alcohol-fueled | |
| 47.15% | auto-ignited | |
| 47.15% | compression-ignited | |
| 47.15% | compression-ignited internal combustion | |
| 47.15% | crank-type | |
| 47.15% | crankshaft-type | |
| 47.15% | cross-scavenged | |
| 47.15% | diesel-operated | |
| 47.15% | diesel-type | |
| 47.15% | direct-injected | |
| 47.15% | direct-injecting | |
| 47.15% | downsized | |
| 47.15% | dual-fueled | |
| 47.15% | expander-type | |
| 47.15% | four-cycle internal combustion | |
| 47.15% | four-cylindered | |
| 47.15% | fuel-consuming | |
| 47.15% | fuel-injected | |
| 47.15% | gas-coupled | |
| 47.15% | gas-fueled | |
| 47.15% | gaseous-fueled | |
| 47.15% | gasoline-burning | |
| 47.15% | gasoline-fueled | |
| 47.15% | gasoline-powered | |
| 47.15% | high-efficiency | |
| 47.15% | high-output | |
| 47.15% | high-powered | |
| 47.15% | horizontal opposed type | |
| 47.15% | horizontally-opposed | |
| 47.15% | hydrogen-fueled | |
| 47.15% | ignition-type | |
| 47.15% | injection-type | |
| 47.15% | l-head | |