Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
sandeu
←
Spanish
sandio
(cognate)
←
Galician
sandeu
(cognate)
←
Old Portuguese
sandeu
(inherited)
→
Portuguese
sandice
(suffix)