| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | cycad | Europe | Cycads are exotic ornamental plants, often used in landscaping and gardens. | 1 |
| 2 | cypermethrin | Europe | Cypermethrin is commonly used as a pesticide for agricultural and household purposes. | 1 |
| 3 | hydrocyanic acid | Europe | Used in industrial processes and as a reagent in chemical synthesis. | 1 |