Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
pei
←
Latin
pes
(inherited)
→
Catalan
peu
(cognate)
→
French
pied
(cognate)
→
Italian
piede
(cognate)