Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
ennéagone
←
French
ennéa
(confix)
←
French
gone
(confix)
→
French
ennéagonal
(suffix)
→
Romanian
eneagon
(borrowed)