| Rating | Solver | Clue |
|---|---|---|
| PALM | Oil source | |
| SESAME | Oil source | |
| FLAX | Linseed oil source | |
| SHALE | A source of oil | |
| COTTONSEED | A source of oil | |
| OLIVE | Maybe I love this source of oil | |
| OIL LAMP | Processed oil palm might provide this light source | |
| TORPEDO | An explosive cartridge or shell lowered or dropped into a bored oil well, and there exploded, to clear the well of obstructions or to open communication with a source of supply of oil. | |