Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
učesat
←
Czech
u-
(affix)
←
Czech
česat
(affix)
←
Old Czech
učesati
(inherited)
→
Czech
účes
(mention)