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

→ Breton kraoñ (inherited)
→ Welsh cnau (inherited)
→ Welsh cnewyll (mention)
→ Irish cnó (inherited)
→ Scottish Gaelic cnò (inherited)
→ Manx cro (inherited)
→ Cornish know (inherited)
→ Old Irish cnú (inherited)