Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
nádega
←
Latin
natis
(derived)
←
Old Portuguese
nadega
(inherited)
→
Spanish
nalga
(cognate)
→
Galician
nádega
(cognate)