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

Old Church Slavonic тлъкъ (inherited)
Finnish tulkki (root)
Finnish tulkki (derived)
Latin loquor (derived)
Old East Slavic тълкъ (inherited)
Russian толчок (root)
Russian толкать (root)
Russian толковый (root)
Russian толк (root)
Russian толковать (root)
Russian бестолковый (root)
Russian истолкование (root)
Russian толкование (root)
Russian толково (root)
Russian бестолково (root)
Russian истолковать (root)
Russian истолковывать (root)
Russian потолковать (root)
Russian растолковать (root)
Russian растолковывать (root)
Russian втолковывать (root)
Russian втолковать (root)
Sanskrit तर्क (inherited)
Old Irish adtluchedar (derived)