| PETROCHEMICAL | Any substance derived from oil or natural gas (13) |
| BOTANICAL | Any substance derived from parts of a plant and used in making drugs or flavouring foodstuffs (9) |
| INTERMIXTURES | Substances derived from combining different ingredients (13) |
| OLEIC | Of, relating to or derived from oil, especially a vegetable oil (5) |
| STEELDRUMS | Caribbean instruments derived from oil containers |
| PETROL | Fuel derived from oil (6) |
| FLYAGARIC | Nice cop, perhaps, impounding unknown substance derived from seaweed or fungus (3,6) |
| TAR | Black, oily substance, derived from organic materials such as wood, peat or coal, as in the Primula auricula 'Smart ___' (3) |
| ALOEVERA | Gelatinous substance derived from a species of a succulent plant that is sometimes used as a natural remedy for sunburn (4,4) |
| STARCH | Carbohydrate in potatoes and rice; a substance derived from such as a laundry stiffener; or, formality (6) |
| OIL | A substance derived from petroleum, used for lubrication (3) |
| MORPHINE | Substance derived from opium to relieve pain (8) |
| ATROPINE | Poisonous substance derived from a protein (8) |
| AGAR | Substance derived from seaweed in area with fish |
| SUGAR | Substance derived from grasses of the genus Saccharum (5) |
| GUM | Sticky substance derived from certain trees |
| SORBITOL | White crystalline substance derived from sugar and used as a substitute (8) |
| AGARAGAR | Gelatinous substance derived from seaweed |
| CAMPHOR | Aromatic substance derived from a laurel tree (7) |
| ETHYL | Substance derived from ethane (5) |
