Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Czech
žleb
←
Proto-Slavic
*želbъ
(inherited)
→
Czech
žleb
(inherited)
→
Czech
žlab
(inherited)
→
Russian
жёлоб
(cognate)