Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
mega-
←
Ancient Greek
μέγας
(derived)
←
Proto-Indo-European
*meǵh₂s
(derived)
→
Dutch
megawatt
(affix)