Breton index, including Old and Middle Breton
- bal’ch (baile) fn
- dastum MBret. (dais)
- esker (sgeir) fn
- gaol (gobhal)
- genn (geinn)
- gouenn (Fèinn)
- goz (fachach)
- gronn (pronnasg) fn
- guod OBret. (fachach)
- kaol (càl)
- kavell (cabhall)
- kourn (cnòdan)
- loafus MBret. (lagh) fn
- skar (sgeir) fn
- skarr (sgeir) fn
- trous MBret. (trosg)
- trouz (trosg)