Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Istriot
pitruolgio
←
Italian
petrolio
(cognate)
←
Latin
petra
(derived)
←
Latin
oleum
(mention)
←
Sicilian
pitroliu
(cognate)
←
Venetian
petrojo
(cognate)