Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Walloon
troes
←
Old French
troy
(derived)
←
Old French
trois
(mention)
←
Proto-Indo-European
*tréyes
(derived)
←
Latin
trēs
(derived)