Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
estojo
←
Spanish
estuche
(cognate)
←
French
étui
(cognate)
←
Latin
*studiāre
(mention)
←
Latin
studium
(mention)
←
Old Occitan
estug
(mention)
→
Galician
estoxo
(cognate)