Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Istro-Romanian
io
←
Proto-Indo-European
*éǵh₂
(inherited)
←
Italian
io
(cognate)
←
Proto-Italic
*egō
(inherited)
←
Latin
ego
(inherited)
←
Romanian
eu
(cognate)