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

→ Belarusian пяты (inherited)
→ Old Church Slavonic пѧтъ (inherited)
→ Russian пятый (inherited)
→ Slovak piaty (inherited)
→ Slovene peti (inherited)
→ Slovene petek (mention)
→ Silesian piōnty (inherited)
→ Ukrainian п'ятий (inherited)