Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Irish nach
← Proto-Celtic *nekʷos (inherited)
← Welsh neb (cognate)
← Old Irish nech (mention)

→ Welsh na (cognate)
→ Irish nach (inherited)
→ Scottish Gaelic nach (inherited)
→ Manx nagh (inherited)
→ Old Irish nech (mention)
→ Albanian nuk (cognate)