Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
escuma
←
Catalan
escuma
(cognate)
←
French
écume
(cognate)
←
Proto-Germanic
*skūmaz
(derived)
←
Latin
spūma
(derived)