Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
kostka
←
Proto-Slavic
*kostъka
(inherited)
←
Proto-Slavic
*kostь
(mention)
→
Hungarian
kocka
(cognate)