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

→ Japanese 名 (inherited)
→ Miyako なー (inherited)
→ Yaeyama なー (inherited)
→ Okinawan なー (inherited)
→ Kunigami なー (inherited)
→ Yonaguni なー (inherited)