Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
poduška
←
Proto-Slavic
*podušьka
(inherited)
→
Polish
poduszka
(cognate)
→
Russian
подушка
(cognate)