| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | heian | United States | Often used to refer to a specific style of clothing associated with the Burning Man festival or other alternative lifestyle events. | 1 |
| 2 | heptagon | United States | Heptagon is a geometric shape with seven sides and seven angles. | 1 |
| 3 | heptagon | United States | A heptagon is commonly taught in geometry classes as a seven-sided polygon. | 1 |
| 4 | hexane | US | Used as a solvent in laboratory settings and industrial processes | 1 |