Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
ratiocinate
←
Proto-Indo-European
*h₂er-
(root)
←
Latin
ratiocinor
(borrowed)
→
English
ratiocination
(suffix)
→
English
ratiocinator
(suffix)