Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
ton
←
Latin
thunnus
(derived)
→
English
tunny
(derived)
→
Catalan
ton
(inherited)
→
French
thon
(cognate)
→
Middle French
thon
(cognate)