Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Walloon
måtche
←
Old French
marche
(inherited)
←
Proto-Germanic
*markō
(derived)
←
Proto-Indo-European
*merǵ-
(derived)
←
Walloon
mårtcheu
(link)