Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *moh₁ros

→ Breton meur (inherited)
→ Welsh mawr (inherited)
→ Irish mór (inherited)
→ Scottish Gaelic mòr (inherited)
→ Cornish meur (inherited)
→ Old Welsh maur (inherited)
→ Old Irish mór (inherited)