Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
opto
←
Proto-Indo-European
*op-
(derived)
←
Latin
*opiō
(mention)
←
Latin
opīnor
(mention)
→
French
adoptif
(mention)
→
Latin
praeopto
(prefix)
→
Latin
optabilis
(affix)