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

→ Belarusian сіні (inherited)
→ Bulgarian син (inherited)
→ Macedonian син (inherited)
→ Polish siny (inherited)
→ Russian синий (inherited)
→ Serbo-Croatian sinji (inherited)
→ Serbo-Croatian сињи (inherited)
→ Ukrainian синій (inherited)