Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
occulo
←
Proto-Indo-European
*ḱel-
(root)
←
Proto-Indo-European
*ḱéleti
(derived)
←
Proto-Italic
*kelō
(derived)
←
Latin
ob-
(affix)
←
Latin
celō
(affix)