carbon
| COAL |
| Word | Clue |
|---|---|
| ELD | age |
| ERA | age, period |
| GAS | carbon dioxide |
| BEER | mine - coal, brewery - ? |
| MINE | salt or coal |
| SLAG | Waste material from a coal mine |
| SMUT | Soot |
| CYCLE | vicious or carbon |
| EMBER | glowing piece of coal or wood |
| EPOCH | age |
| SLACK | Small coal |
| STEEL | stainless or carbon |
| BUTANE | alkane with four carbon atoms |
| HEARSE | hind in the second year of her age |
| DIAMOND | allotrope of carbon |
| GRAPHITE | allotrope of carbon |
| LIFETIME | age |
| MAJORITY | full age |
| CHILDHOOD | age from birth to adolescence |
| SLAUGHTERHOUSE | coal - mine, meat - ? |
| SPICE | caraway or cumin |
| GAS | carbon dioxide |