Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
letec
←
Czech
letět
(affix)
←
Czech
-ec
(affix)
→
Czech
letectví
(affix)
→
Czech
letectvo
(affix)