Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
reino
←
Latin
rēgnum
(inherited)
←
Old Portuguese
reino
(inherited)
←
Old Portuguese
reyno
(link)
→
Portuguese
reino
(cognate)