Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
bosý
←
Proto-Slavic
*bosъ
(inherited)
←
Old Czech
bosý
(inherited)
→
Lower Sorbian
bósy
(cognate)