Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
astronome
←
Latin
astronomus
(derived)
→
French
radioastronome
(prefix)
→
French
archéoastronome
(prefix)
→
Romanian
astronom
(derived)