| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | ace | US | In card games, an ace is considered the highest value card. | 1 |
| 2 | acetone | United States | Acetone is commonly known as a nail polish remover in households. | 1 |
| 3 | acetylene | United States | Acetylene is commonly used in welding and metal cutting in industrial and construction settings. | 1 |
| 4 | acetylene | United States | Acetylene is commonly used in welding and metal cutting processes. | 1 |