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

→ English current (root)
→ English car (root)
→ English course (root)
→ English curriculum (root)
→ English recursion (root)
→ English recursive (root)
→ English recurse (root)
→ English recur (root)
→ English hurry (derived)
→ English cursor (root)
→ English incursion (root)
→ English parkour (root)
→ English incur (root)
→ English occurrence (root)
→ English rush (root)
→ English rush (derived)
→ English occur (root)
→ English career (mention)
→ English concurrent (root)
→ English precursor (root)
→ English concur (root)
→ English cursory (root)
→ English cursive (root)
→ English discourse (root)
→ English chariot (root)
→ English recourse (root)
→ English excursion (root)
→ English discursive (root)
→ English recurrence (root)
→ English curule (root)
→ English courier (root)
→ English succour (root)
→ English succour (derived)
→ English rusa (derived(en/nn))
→ English rusa (derived(en/sv))
→ English recurrent (root)
→ English horse (root)
→ English horse (derived)
→ English cursus (root)
→ English recursivity (root)
→ Old English horsc (inherited)
→ Catalan carro (mention)
→ Catalan córrer (derived)
→ Spanish correr (derived)
→ Spanish carro (mention)
→ Finnish hurskas (root)
→ French courir (derived)
→ French rosse (mention)
→ French recours (root)
→ West Frisian hoars (inherited)
→ Galician carro (mention)
→ Galician corredoira (derived)
→ Old Swedish russ (mention)
→ Ancient Greek ἐπίκουρος (derived)
→ Indonesian kereta (mention)
→ Italian curriculum (root)
→ Italian correre (mention)
→ Italian curro (root)
→ Italian curro (mention)
→ Italian carro (mention)
→ Italian steppicursore (root)
→ Latin course (derived(la/en))
→ Latin curriculum (root)
→ Latin cursor (root)
→ Latin incursio (root)
→ Latin curro (root)
→ Latin curro (derived)
→ Latin curso (root)
→ Latin carrus (mention)
→ Latin recurro (root)
→ Latin cursus (root)
→ Latin occurro (root)
→ Latin incurro (root)
→ Latin percurro (root)
→ Latin discurro (root)
→ Latin discursus (root)
→ Latin currus (root)
→ Latin currus (mention)
→ Latin curulis (root)
→ Latin currulis (root)