| Leitorð | Tal | |
|---|---|---|
| forngripur | 2 | |
| forngrýti | 1 | |
| fornhátýskur | 1 | |
| fornheiðin | 1 | |
| fornheimur | 1 | |
| forni | 12 | |
| fornírskur | 1 | |
| forniskur | 3 | |
| forníslendskur | 1 | |
| fornkempa | 1 | |
| fornkirkja | 1 | |
| fornklássa | 1 | |
| fornklássur | 3 | |
| fornklæðahandlari | 1 | |
| fornklæddur | 1 | |
| fornkunnugur | 2 | |
| fornkvæði | 1 | |
| fornleivd | 2 | |
| fornleivdasavnari | 1 | |
| fornlendi | 1 | |
| fornligur | 8 | |
| fornlist | 2 | |
| fornlutagoymsla | 1 | |
| fornlutasavnari | 1 | |
| fornlutir | 1 | |
| fornlutur | 3 | |
| fornmál | 6 | |
| fornmannaheygur | 1 | |
| fornmenja | 1 | |
| fornmenjar | 1 | |
| fornmentir | 1 | |
| fornminni | 12 | |
| fornminnisavnari | 1 | |
| fornminnisfelag | 1 | |
| fornminnisnevnd | 1 | |
| fornminnissavn | 4 | |
| fornnorrønur | 8 | |
| fornnorskur | 2 | |
| fornoyddur | 2 | |
| fornplagg | 1 | |
| fornríkur | 2 | |
| fornrit | 2 | |
| fornsagnadámur | 1 | |
| fornsagnaligur | 1 | |
| fornsagnavísindi | 1 | |
| fornskald | 1 | |
| fornskjal | 2 | |
| fornskógaland | 1 | |
| fornskógvur | 1 | |
| fornskur | 1 |