Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
donation
←
Middle French
donation
(derived)
←
Latin
dōnātiōnem
(derived)
←
Latin
dōnātiō
(mention)
→
Ido
donacar
(derived)