Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
Méixamo
←
Proto-Celtic
*magisamo-
(derived)
←
Proto-Celtic
*magyo-
(derived)
←
Proto-Indo-European
*méǵh₂s
(derived)
←
Latin
maximus
(cognate)