Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
crypto-
←
Ancient Greek
κρυπτός
(derived)
→
French
cryptographie
(affix)
→
French
cryptomorphique
(affix)
→
French
cryptomorphisme
(affix)