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 |
|---|---|---|
| Forest | 3 | 1459 (concord); 1552 (crag fedderis); 1585 (clene) |
| Forrest | 3 | 1542 (bukkilmakar, cleke); 1570 (conȝe) |