Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
saín
←
French
saindoux
(cognate)
←
Galician
saíl
(alter)
←
Galician
seíl
(alter)
←
Galician
seín
(alter)
←
Latin
sagīna
(derived)