Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latin langueo
English slack (cognate)
Proto-Indo-European *(s)leg- (inherited)
Proto-Indo-European *(s)leh₁g- (mention)

English languish (derived)
Greek λαγός (mention)
Albanian lekur (cognate)