Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
aēr
→
Asturian
aire
(inherited)
→
Friulian
aiar
(inherited)
→
Galician
ar
(derived)
→
Galician
aire
(inherited)
→
Romansch
leer
(inherited)
→
Romansch
ajer
(derived)