Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
chan
←
Spanish
llano
(cognate)
←
Latin
plānum
(inherited)
←
Portuguese
chão
(cognate)
←
Old Portuguese
chão
(inherited)
→
Galician
rechán
(affix)
→
Portuguese
chão
(cognate)