Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
aqueste
←
Latin
eccum
(inherited)
←
Latin
iste
(mention)
→
Galician
aqueste
(inherited)
→
Portuguese
este
(mention)
→
Portuguese
aqueste
(inherited)