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

→ Belarusian рот (inherited)
→ Bulgarian рът (inherited)
→ Czech ret (inherited)
→ Macedonian ’рт (inherited)
→ Romanian rât (borrowed)
→ Russian рот (inherited)
→ Serbo-Croatian rt (inherited)
→ Serbo-Croatian рт (inherited)
→ Ukrainian рот (inherited)