| Answer | Crossword Clue |
|---|---|
| ALCOHOL | Fifth element? |
| BORON | Fifth element |
| ETHANOL | Fifth element |
| ETHER | Fifth classical element |
| BORON | The fifth element |
| ETHER | Aristotle's "fifth element" |
| ETHER | Fifth element, per Aristotle |
| MILLA | Jovovich of "The Fifth Element" |
| LUC | "The Fifth Element" director Besson |
| NEON | Fifth-most abundant element in the universe |
