Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
kosý
←
Proto-Slavic
*kosъ
(inherited)
→
Czech
kosočtverec
(compound)
→
Czech
kose
(affix)
→
Russian
косой
(cognate)