Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
sacrosanctus
←
Proto-Indo-European
*seh₂k-
(root)
←
Proto-Indo-European
*seh₂k-
(derived)
←
Latin
sacrum
(compound)
←
Latin
sānctus
(compound)
→
Serbo-Croatian
sakrosanktan
(derived)
→
Serbo-Croatian
сакросанктан
(derived)