| Definition | Word | Prefix |
| [1] Eyeglass | |
| [1]] Single-wheeled vehicle | |
| [2] Cut in half | |
| [2] Two-element electron device | |
| [2] A formal fight | |
| [3] Camera holder | |
| [4] A building with four units | |
| [4] Four-line stanza | |
| [4] Geometric figure bounded by four plane triangular faces | |
| [5] U.S. Department of Defense | |
| [5] Cello, two violas, and two violins, e.g. | |
| [6] Star of David shape | |
| [6] Astronomical instrument used for measuring angular distances | |
| [7] A verse of seven metrical feet | |
| [7] Seventh month of the early Roman calendar | |
| [8] In music, B to B, e.g. | |
| [9] Polygon with nine angles, and nine sides | |
| [10] The Ten Commandments | |
| [100] Old term for the Celsius scale | |
| [100] One hundred ares (land measure) | |
| [150] Celebration commemoratng fifteen decades | |
| [1000] The K in KPH | |
| [1000] 1001 - 2000, e.g. | |