Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
freŝa
→
Esperanto
malfreŝa
(affix)
→
Esperanto
freŝi
(affix)
→
Esperanto
refreŝigi
(affix)