Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Walloon
vatche
←
Old French
vache
(inherited)
←
Proto-Indo-European
*woḱéh₂
(inherited)
←
Latin
vacca
(inherited)