Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
esteio
←
Old French
estai
(derived)
←
Proto-Germanic
*stagą
(derived)
←
Galician
esteo
(cognate)
←
Old Portuguese
esteo
(mention)
→
Galician
esteo
(cognate)