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

→ Czech -tel (inherited)
→ Old Church Slavonic -тель (inherited)
→ Lithuanian -klas (cognate)
→ Polish -ciel (derived)
→ Russian -тель (inherited)
→ Serbo-Croatian -telj (inherited)
→ Serbo-Croatian -тељ (inherited)
→ Slovak -teľ (inherited)
→ Old Armenian -օղ (cognate)