Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
Joan
→
Galician
Xan
(inherited)
→
Galician
Xoán
(inherited)
→
Galician
Xohán
(inherited)
→
Portuguese
João
(inherited)