The following information is taken from the Dictionary of the Older Scottish Tongue, available online at http://www.dsl.ac.uk/index.html. This is a work in progress.
| Spelling | Number | Dates & headers |
|---|---|---|
| Cok | 3 | 1552-3 (aventure, dayly); 1579 (dam) |
| Cuik | 2 | 1529 (clanging); 1623 (allegeance) |
| Cuk | 2 | 1365 (cuke); 1368 (cuke) |
| Cuke | 2 | 1453 (cuke) |
| Couke | 1 | 1345 (cuke) |