Welsh index, including Middle Welsh
- asgell (achlais)
- balc (bailc)
- balch (bailc) fn
- balleg (ballan)
- bod (bot)
- calur (callair)
- calwr (callair)
- camp (caparaid)
- carn (cnòdan)
- cawell (cabhall)
- cawl (càl)
- celfi (colbh)
- das (dais)
- das MW (dais)
- dâs (dais)
- drel (dreòlan)
- eddestl (adhastar) fn
- eddyster (adhastar)
- esgair (sgeir) fn
- gafl (gobhal)
- gaing (geinn)
- galwr (callair)
- gardd (gàrradh) fn
- gwadd (fachach)
- gwas (fastaidh)
- lafwr (slòc) fn
- lawr (slòc) fn
- llawethair (langaid)
- llyffethair (langaid)
- pen (cnòdan)
- pengernyn (cnòdan)
- pyd (pit)
- rhiw (rubha) fn
- trws (trosg)
- trwst (trosg) fn
- wylo (fèile)
- -yn (cnòdan)
- ysbaddu (spadrach)
- ysgair (sgeir) fn
- ysgar (sgeir) fn