Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Saxo
←
Proto-West Germanic
*sahs
(derived)
←
Old Saxon
Sahsō
(derived)
→
English
Saxon
(mention)
→
Galician
saxó
(derived(gl/ca))
→
Galician
Saxonia
(derived)
→
Portuguese
saxão
(mention)