Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
avall
←
Catalan
a
(compound)
←
Catalan
vall
(compound)
→
Catalan
davall
(compound)
→
Galician
devalar
(mention)