Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
cada
←
Ancient Greek
κατά
(derived)
←
Latin
cata
(inherited)
←
Old Portuguese
cada
(inherited)
→
Portuguese
por
(link)
→
Romanian
câte
(cognate)