Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
okno
←
Proto-Slavic
*okъno
(inherited)
←
Proto-Slavic
*okъno
(inherited(cs/zlw-ocs))
←
Old Czech
okno
(inherited)
→
Czech
okenní
(affix)