Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Oligopolist
←
German
Oligopol
(suffix)
←
German
ist
(suffix)
→
German
oligopolistisch
(suffix)
→
German
Oligopolistin
(affix)