Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
esquecer
←
Latin
*excadēre
(mention)
←
Latin
ex-
(inherited)
←
Latin
cadere
(mention)
←
Latin
cadō
(mention)
←
Old Portuguese
escaecer
(inherited)
→
Galician
esquecemento
(suffix)
→
Portuguese
esquecer
(cognate)