Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
osełka
←
Proto-Slavic
*osьla
(mention)
→
Old Church Slavonic
осла
(cognate)
→
Russian
оселок
(cognate)