| |||
| circle; wheel; packing piece; washer | |||
| circumference | |||
|
cerc : 25 phrases in 11 subjects |
| Agriculture | 2 |
| Chemistry | 1 |
| Construction | 6 |
| General | 2 |
| Horticulture | 1 |
| Life sciences | 1 |
| Machinery and mechanisms | 3 |
| Mathematics | 5 |
| Microsoft | 2 |
| Scientific | 1 |
| Technology | 1 |