Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
ræson
←
French
raison
(borrowed)
←
Latin
ratiō
(derived)
←
Latin
reor
(affix)
←
Latin
-tiō
(affix)
→
Danish
ræsonnere
(cognate)