Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latin circumflexus
Latin circumflectō (mention)

English circumflex (learned borrowing)
German Zirkumflex (derived)
Italian circonflesso (derived)
Ligurian circonflèsso (borrowed)
Portuguese circunflexo (mention)
Russian циркумфлекс (borrowed)