Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
cosmo
→
French
cosmonaute
(confix)
→
French
cosmochimie
(prefix)
→
French
cosmochimiste
(prefix)
→
French
cosmonucléide
(prefix)