Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
cadea
←
Spanish
cadena
(cognate)
←
Latin
catēna
(inherited)
←
Portuguese
cadeia
(cognate)
←
Old Portuguese
cadẽa
(inherited)
→
Galician
encadear
(confix)
→
Portuguese
cadeia
(cognate)