Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
operio
←
Proto-Indo-European
*h₁epi
(derived)
←
Proto-Indo-European
*h₂wer-
(derived)
←
Latin
ob
(mention)
←
Latin
aperiō
(mention)
→
Latin
adoperio
(prefix)