Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
thermie
→
French
géothermie
(confix)
→
French
électrothermie
(confix)
→
French
thalassothermie
(confix)