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

Catalan -dor (inherited)
Spanish -dor (inherited)
Old French -eor (inherited)
Galician -dor (derived)
Italian -tore (inherited)
Latin -tor (inherited)
Latin -turio (derived)
Ligurian -dô (inherited)
Norwegian Bokmål -ator (derived)
Norwegian Bokmål abiturient (derived)
Norwegian Bokmål absorbator (derived)
Portuguese -dor (inherited)
Romanian -tor (inherited)
Aromanian -tor (inherited)
Aromanian -ãtor (inherited)
Aromanian -ãtoru (inherited)
Aromanian -toru (inherited)