Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
trente
←
Latin
trīgintā
(inherited)
→
French
trente
(inherited)
→
Norman
trente
(inherited)
→
Walloon
trinte
(inherited)