Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
escut
←
Proto-Indo-European
*skei-
(derived)
←
Latin
scūtum
(inherited)
←
Old Occitan
escut
(inherited)
→
Catalan
escuder
(suffix)
→
Friulian
scût
(cognate)