| 886 | circuit |
| 1019 | civil |
| 1067 | cite |
| 1246 | circle |
| 1548 | circumstance |
| 1866 | civilization |
| 1887 | citizen |
| 1910 | cigarette |
| 2094 | circulate |
| 3133 | circumference |
| 543 | coal |
| 760 | coast |
| 782 | coat |
| 2461 | coach |
| 2749 | coalition |
| 374 | code |
| 3254 | coefficient |
| 1917 | cognitive |
| 2055 | coil |
| 158 | colleague |
| 534 | collect |
| 914 | collapse |
| 1274 | collision |
| 1417 | colony |
| 1456 | collaboration |
| 1708 | column |
| 3168 | collar |
