| Rating | Solver | Clue |
|---|---|---|
| COPAL | Fossil resin | |
| AMBER | Fossil resin | |
| KAPIA | The fossil resin of the kauri tree of New Zealand. | |
| AMBRITE | A fossil resin occurring in large masses in New Zealand. | |
| EUOSMITTE | A fossil resin, so called from its strong, peculiar, pleasant odor. | |
| RETINIC | Of or pertaining to resin; derived from resin; specifically, designating an acid found in certain fossil resins and hydrocarbons. | |