Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Czech
býti
←
Proto-Indo-European
*bʰuH-
(derived)
←
Proto-Slavic
*byti
(inherited)
→
Czech
být
(inherited)