Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
irrationel
←
French
irrationnel
(derived)
←
Latin
in-
(affix)
←
Latin
ratiōnālis
(affix)
←
Latin
ratiō
(affix)
←
Latin
-ālis
(affix)
←
Latin
reor
(affix)
←
Latin
-tiō
(affix)