Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
téct
←
Proto-Balto-Slavic
*tek-
(derived)
←
Proto-Indo-European
*tekʷ-
(derived)
←
Proto-Slavic
*teťi
(inherited)
→
Czech
otéct
(affix)
→
Czech
utéct
(affix)