| 100% | STYRAX | 6 | Genus of trees from which gum resin benzoin is obtained |
| 42% | GAMBOGE | 7 | Dark yellow pigment obtained from the gum resin of certain trees of southeast Asia |
| 42% | GAMBOGE | 7 | Dark yellow pigment obtained from the gum resin of certain trees of South-East Asia |
| 39% | FRANKINCENSE | 12 | Aromatic gum resin also called olibanum obtained from an African tree |
| 36% | SALIX | 5 | Genus of trees to which the willow belongs |
| 34% | EUCALYPTUS | 10 | Australian genus of trees that includes the blue gum |
| 34% | SHEA | 4 | Native African tree from which a butter is extracted |
| 34% | SANDARAC | 8 | Resin obtained from a tree of NW Africa whose hard dark wood is used for decorative work |
| 34% | PIG | 3 | Mammal from which pork is obtained |
| 34% | ORE | 3 | Rock from which metal is obtained |
| 33% | ORE | 3 | A natural resource from which metals are obtained |
| 32% | RHINEGOLD | 9 | Material from which the ring of the Nibelung was made |
| 32% | RIB | 3 | Part of Adam from which Eve was fashioned |
| 31% | ARAM | 4 | Biblical region from which the name of a language is derived |
| 31% | STAVE | 5 | Strip of wood from which a bow is carved |
| 31% | ORE | 3 | Piece of rock from which metal could be extracted |
| 31% | DAPHNIA | 7 | Genus of crustaceans, some species of which are used as food for aquarium fish |
| 31% | ERIGERON | 8 | Genus of plants of the daisy family, many species of which are cultivated as ornamentals |
| 30% | CINNAMON | 8 | Tropical Asian tree from whose aromatic yellowish-brown bark a spice is obtained |
| 30% | BOHEMIA | 7 | Kingdom of which Prague was capital from 1198-1918 |
| 30% | SARSEN | 6 | The type of stone from which Stonehenge was built |
| 30% | CINNAMON | 8 | Fragrant spice obtained from the inner bark of some trees |
| 30% | COCHINEAL | 9 | Insect native to Mexico from which a crimson dye used to colour food is obtained |
| 29% | AMBER | 5 | Shade of yellow that takes its name from eponymous tree resin |
| 29% | CINCHONA | 8 | Tree from which quinine originates |
| 29% | DRAGONSBLOOD | 12 | Red resinous substance obtained from the fruit or stem of various trees |
| 28% | DINOSAURS | 9 | One of the focuses of Paleontology which is pursued by Ross from "Friends" |
| 28% | SEQUOIA | 7 | Genus of trees including the California redwood |
| 28% | ACER | 4 | Genus of trees that includes the sycamore |
| 28% | PINT | 4 | *Common beer quantity ordered from 13a, which is half the size of a quart |