Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
harden
→
Dutch
hard
(link)
→
Dutch
volharden
(prefix)
→
Dutch
verharden
(prefix)
→
Dutch
ontharden
(prefix)