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

→ Japanese 歌 (inherited)
→ Yaeyama 歌 (inherited)
→ Okinawan 歌 (inherited)
→ Kunigami 歌 (inherited)
→ Yonaguni 歌 (inherited)