Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
chaira
←
Galician
chá
(suffix)
←
Galician
eira
(suffix)
←
Latin
plānārius
(inherited)
←
Latin
plānus
(derived)