Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Kollegium
←
German
Kolleg
(doublet)
←
Latin
collēgium
(borrowed)
→
German
Kardinalskollegium
(affix)
→
German
Kolleg
(doublet)