| Answer | Crossword Clue |
|---|---|
| BIODEGRADABLE | Capable of decaying |
| FOXFIRE | Cause of luminescence in decaying wood |
| MOLDY | Decaying |
| RADIUM | Decaying metal |
| RUIN | Decaying state |
| RADIUMS | Decaying substances |
| SAPRO | Decaying: Comb. form |
| FETID | Stinking and decaying |
| HUMUS | Soil's decaying matter |
| PEATS | Decaying bog mosses |
| MOLDY | Decaying, in a way |
| HUMUS | Soil's organic decaying matter |
| EARTHTONGUES | Fungi growing on decaying logs |
