Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
colcha
←
Spanish
colcha
(cognate)
←
French
couche
(cognate)
←
Old French
culche
(borrowed)
←
Old French
colchier
(derived)
←
Galician
cócedra
(mention)
←
Latin
culcita
(derived)
←
Latin
collocare
(derived)
←
Portuguese
-
(cognate)
←
Old Portuguese
colcha
(inherited)
→
Galician
colchón
(suffix)