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

→ Czech peklo (inherited)
→ Hungarian pokol (derived)
→ Macedonian пекол (inherited)
→ Polish piekło (inherited)
→ Serbo-Croatian пакао (inherited)
→ Serbo-Croatian pakao (inherited)
→ Slovak peklo (inherited)
→ Slovene pekel (inherited)
→ Albanian Pisë (cognate)
→ Old Polish pkieł (inherited)