march => meirch/meirych (m) : horse
manach => meneich (m) : monk
maen => mein (m) : stone
oen => wyn (m/f) : lamb
asgell => esgyll (f) : wing
corn => cyrn/cirn (f) : horn
escob (esgob) => escyb (m) : bishop
gwr => gwyr (m) : man
Plural mit Vokaländerung a => ei/y
Strachan, Introduction, § 27a