Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
coepio
←
Latin
con-
(affix)
←
Latin
apō
(affix)
←
Latin
(back-formation)
←
Latin
coepī
(mention)
→
Latin
coepi
(mention)