Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Einundzwanzigeck
←
German
einundzwanzig
(compound)
←
German
Ecke
(compound)
→
German
einundzwanzigeckig
(suffix)